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90-597: During the Warring States period , the area belonged to the independent kingdom of Yelang . The Records of the Grand Historian states that of all the independent kingdoms in the area, Yelang was the largest. The kingdom was located along Zangke River (now called Beipan River), and Nanpan River . Bamboo Worship, Cow Totems, bullfights and dogfights were the culture traditions of the Yelang Empire. In 111 BCE, Yelang

180-438: A 'horizontal' or east–west alliance called lianheng ( 連橫{ ), in which a state would ally with Qin to participate in its ascendancy. There were some initial successes in hezong , though mutual suspicions between allied states led to the breakdown of such alliances. Qin repeatedly exploited the horizontal alliance strategy to defeat the states one by one. During this period, many philosophers and tacticians travelled around

270-564: A coach between there and Anshun. The G60 Shanghai–Kunming Expressway and National Highway 320 both run through Anshun. Anshun Normal University is the largest local institution of higher education, hosting Peace Corps Volunteer TEFL teachers since 2005. Tourist attractions and landmarks in Anshun include: Anshun Batiks are a traditional folk Chinese handicraft art of Buyi Minority. People use wax pen to draw various patterns on white cloth such as flowers, birds and some strange shapes. Then,

360-438: A covenant and started planning an attack on Zhao. Karst Karst ( / k ɑːr s t / ) is a topography formed from the dissolution of soluble carbonate rocks such as limestone and dolomite . It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. There is some evidence that karst may occur in more weathering -resistant rocks such as quartzite given

450-509: A good relationship with his Qi counterpart, with both promising to recognize the other as "king". Early in the Warring States period, Chu was one of the strongest states in China. The state rose to a new level of power around 389 BC when King Dao of Chu ( 楚悼王 ) named the famous reformer Wu Qi as his chancellor. Chu rose to its peak in 334 BC, when it conquered Yue to its east on

540-413: A great defeat at the hands of Qin. King Kao of Zhou had enfeoffed his younger brother as Duke Huan of Henan. Three generations later, this cadet branch of the royal house began calling themselves "dukes of East Zhou". Upon the ascension of King Nan in 314, East Zhou became an independent state. The king came to reside in what became known as West Zhou. Towards the end of the Warring States period,

630-507: A pioneer of the study of karst in Slovenia and a fellow of the Royal Society , London, introduced the word karst to European scholars in 1689 to describe the phenomenon of underground flows of rivers in his account of Lake Cerknica . Jovan Cvijić greatly advanced the knowledge of karst regions to the point where he became known as the "father of karst geomorphology". Primarily discussing

720-562: A proper noun, the Slovene form Grast was first attested in 1177. Ultimately, the word is of Mediterranean origin. It has also been suggested that the word may derive from the Proto-Indo-European root karra- 'rock'. The name may also be connected to the oronym Kar(u)sádios oros cited by Ptolemy , and perhaps also to Latin Carusardius . Johann Weikhard von Valvasor ,

810-611: A result, King Hui of Wei (still a Marquess at the time) was able to ascend the throne of Wei. Zhao extended from the Shanxi plateau across the plain to the borders of Qi. Wei reached east to Qi, Lu , and Song . To the south, the weaker state of Han held the east–west part of the Yellow River valley, surrounded the Zhou royal domain at Luoyang and held an area north of Luoyang called Shangdang . Duke Kang of Qi died in 379 BC with no heir from

900-520: A son of King Hui by a concubine (i.e. a younger half-brother of King Wu) could be established as King Zhao , who in stark contrast to his predecessor went on to rule for an unprecedented 53 years. After the failure of the first vertical alliance, Su Qin eventually came to live in Qi, where he was favored by King Xuan and drew the envy of the ministers. An assassination attempt in 300 BC left Su mortally wounded but not dead. Sensing death approaching, he advised

990-401: A sport than a science and so the underground karst caves and their associated watercourses were, from a scientific perspective, understudied. Karst is most strongly developed in dense carbonate rock , such as limestone, that is thinly bedded and highly fractured . Karst is not typically well developed in chalk , because chalk is highly porous rather than dense, so the flow of groundwater

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1080-563: A stop on the Shanghai–Kunming high-speed railway , as well as one of two terminals on the Anshun–Liupanshui intercity railway . Anshun Huangguoshu Airport is located in the city. The airport is a dual-use facilities, offering civilian as well as military air services. The airport's destinations include Chongqing, Guangzhou and Beijing's Daxing Airport . Most travelers choose to use Guiyang Longdongbao International Airport and take

1170-515: A succession struggle in 307, yielded to the new coalition and appointed Lord Mengchang its chief minister. The alliance between Qin and Qi was sealed by a Qin princess marrying King Min. This horizontal or east–west alliance might have secured peace except that it excluded the State of Zhao . Around 299 BC, the ruler of Zhao became the last of the seven major states to proclaim himself "king". In 298 BC, Zhao offered Qin an alliance and Lord Mengchang

1260-519: A well in a fracture trace or intersection of fracture traces increases the likelihood to encounter good water production. Voids in karst aquifers can be large enough to cause destructive collapse or subsidence of the ground surface that can initiate a catastrophic release of contaminants. Groundwater flow rate in karst aquifers is much more rapid than in porous aquifers. For example, in the Barton Springs Edwards aquifer, dye traces measured

1350-399: A young age and passed tax laws to encourage raising multiple children. He also enacted policies to free convicts who worked in opening wastelands for agriculture. Shang abolished primogeniture and created a double tax on households that had more than one son living in the household, to break up large clans into nuclear families. Shang also moved the capital to reduce the influence of nobles on

1440-493: Is a UNESCO World Heritage Site. Many karst-related terms derive from South Slavic languages , entering scientific vocabulary through early research in the Western Balkan Dinaric Alpine karst. The study of the various aspects of karst regions is called karstology. This includes biological, chemical, ecological, geomorphological, hydrogeological, hydrological, political, socio-economical, and other processes over

1530-542: Is a development of karst observed in geological history and preserved within the rock sequence, effectively a fossil karst. There are for example palaeokarst surfaces exposed within the Clydach Valley Subgroup of the Carboniferous Limestone sequence of South Wales which developed as sub-aerial weathering of recently formed limestones took place during periods of non-deposition within the early part of

1620-525: Is a karst landscape which is developed beneath a cover of insoluble rocks. Typically this will involve a cover of sandstone overlying limestone strata undergoing solution. In the United Kingdom for example extensive doline fields have developed at Cefn yr Ystrad , Mynydd Llangatwg and Mynydd Llangynidr in South Wales across a cover of Twrch Sandstone which overlies concealed Carboniferous Limestone ,

1710-404: Is also home to a sizable animal husbandry industry, which produces mostly pork, but also significant amounts of beef, poultry, and mutton. Anshun's industry produces both consumer goods and intermediate goods . Major consumer goods produced in the city include detergent , various paper products, liquors , Chinese traditional medicine , and mobile phones . Major intermediate goods produced in

1800-468: Is developed in areas where salt is undergoing solution underground. It can lead to surface depressions and collapses which present a geo-hazard. Karst areas tend to have unique types of forests. The karst terrain is difficult for humans to traverse, so that their ecosystems are often relatively undisturbed. The soil tends to have a high pH, which encourages growth of unusual species of orchids, palms, mangroves, and other plants. Paleokarst or palaeokarst

1890-612: Is frequently unseen until the roof of a cavern suddenly collapses. Such events have swallowed homes, cattle, cars, and farm machinery. In the United States, sudden collapse of such a cavern-sinkhole swallowed part of the collection of the National Corvette Museum in Bowling Green, Kentucky in 2014. The world's largest limestone karst is Australia's Nullarbor Plain . Slovenia has the world's highest risk of sinkholes, while

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1980-407: Is important in petroleum geology because as much as 50% of the world's hydrocarbon reserves are hosted in carbonate rock , and much of this is found in porous karst systems. The English word karst was borrowed from German Karst in the late 19th century, which entered German usage much earlier, to describe a number of geological, geomorphological, and hydrological features found within

2070-399: Is not concentrated along fractures. Karst is also most strongly developed where the water table is relatively low, such as in uplands with entrenched valleys , and where rainfall is moderate to heavy. This contributes to rapid downward movement of groundwater, which promotes dissolution of the bedrock, whereas standing groundwater becomes saturated with carbonate minerals and ceases to dissolve

2160-611: Is the following: In very rare conditions, oxidation can play a role. Oxidation played a major role in the formation of ancient Lechuguilla Cave in the US state of New Mexico and is presently active in the Frasassi Caves of Italy. The oxidation of sulfides leading to the formation of sulfuric acid can also be one of the corrosion factors in karst formation. As oxygen (O 2 )-rich surface waters seep into deep anoxic karst systems, they bring oxygen, which reacts with sulfide present in

2250-557: The Anshun Economic Development Zone ( 安顺经济开发区 ) and the national-level Huangguoshu Scenic Area ( 黄果树风景名胜区 ). As of 2019, the city's GDP totaled 92.394 billion Yuan , an increase of 8.1% from 2018. 17.0% of the city's GDP came from the primary sector , 31.7% from the secondary sector , and 51.3% from the tertiary sector . Major agricultural products grown in Anshun include rice , yams , maize , rapeseed , watermelons , and various vegetables . The city

2340-626: The Battle of Maling . After the battle all three of the Jin successor states appeared before King Xuan of Qi , pledging their loyalty. In the following year Qin attacked the weakened Wei. Wei was devastatingly defeated and ceded a large part of its territory in return for truce. With Wei severely weakened, Qi and Qin became the dominant states in China. Wei came to rely on Qi for protection, with King Hui of Wei meeting King Xuan of Qi on two occasions. After Hui's death, his successor King Xiang also established

2430-652: The Jin dynasty , the area of present-day Anshun would fall under the jurisdiction of Guangtan County ( 廣談縣 ) within Yi Province. During the Sui dynasty, the area belonged to Binhua County ( 宾化縣 ), located within Zangke Commandery, Zang Province  [ zh ] . This organization of the region remained intact until the latter portion of the Tang dynasty, when it was re-organized under

2520-518: The Mandate of Heaven to justify their conquest of other states and spread their influence. The struggle for hegemony eventually created a state system dominated by several large states, such as Jin , Chu, Qin, Yan, and Qi, while the smaller states of the Central Plain tended to be their satellites and tributaries. Other major states also existed, such as Wu and Yue in the southeast. The last decades of

2610-565: The Puning Commandery  [ zh ] . The area would remain under the Puning Commandery until 1292, when, under the Yuan dynasty , the area would fall under Puding Prefecture  [ zh ] , which it would remain under until 1372. Anshun Prefecture  [ zh ] was established during the early Ming dynasty to govern the region, and would remain until 1602, when it

2700-493: The Republic of China revoked the prefecture system. After a short-lived implementation of a county to govern Anshun, the city was placed under Guizhou West Circuit  [ zh ] , until reverting to the county system. In 1950, Anshun Prefecture  [ zh ] was established, governing 6 county-level divisions . In 1958, Anshun County ( 安顺县 ) was upgraded to serve as a county-level city . In 1970, Anshun Prefecture

2790-465: The Western Zhou dynasty underwent enormous changes after 771 BC with the flight of the Zhou court to modern-day Luoyang and the diminution of its relevance and power. The Spring and Autumn period led to a few states gaining power at the expense of many others, the latter no longer able to depend on central authority for legitimacy or protection. During the Warring States period, many rulers claimed

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2880-626: The range of the Dinaric Alps , stretching from the northeastern corner of Italy above the city of Trieste , across the Balkan peninsula along the coast of the eastern Adriatic to Kosovo and North Macedonia , where the massif of the Šar Mountains begins. The karst zone is at the northwesternmost section, described in early topographical research as a plateau between Italy and Slovenia . Languages preserving this form include Italian : Carso , German : Karst , and Albanian : karsti . In

2970-451: The state of Qin became disproportionately powerful compared with the other six states. As a result, the policies of the six states became overwhelmingly oriented towards dealing with the Qin threat, with two opposing schools of thought. One school advocated a 'vertical' or north–south alliance called hezong ( 合縱 ) in which the states would ally with each other to repel Qin. The other advocated

3060-454: The 6th century BC to their nominally subordinate nobles and military commanders, a situation arising from the traditions of the Jin which forbade the enfeoffment of relatives of the ducal house. This allowed other clans to gain fiefs and military authority, and decades of internecine struggle led to the establishment of four major families, the Han, Zhao, Wei and Zhi. The Battle of Jinyang saw

3150-466: The Great Wall. Sima Qian writes that the other states were so awestruck that nobody dared attack Qi for more than 20 years. The demonstrated military prowess also had a calming effect on Qi's own population, which experienced great domestic tranquility during Wei's reign. By the end of King Wei's reign, Qi had become the strongest of the states and proclaimed itself "king"; establishing independence from

3240-509: The Pacific coast. The series of events leading up to this began when Yue prepared to attack Qi to its north. The King of Qi sent an emissary who persuaded the King of Yue to attack Chu instead. Yue initiated a large-scale attack at Chu but was defeated by Chu's counter-attack. Chu then proceeded to conquer Yue. King Xian of Zhou had attempted to use what little royal prerogative he had left by appointing

3330-460: The Spring and Autumn era were marked by increased stability, as the result of peace negotiations between Jin and Chu which established their respective spheres of influence. This situation ended with the partition of Jin, whereby the state was divided between the houses of Han, Zhao and Wei, leading to the seven major warring states. The rulers of Jin had steadily lost political powers since the middle of

3420-509: The State of Zhongshan to the northeast on the other side of Zhao. At the same time he pushed west across the Yellow River to the Luo River taking the area of Xihe (literally 'west of the [Yellow] river'). The growing power of Wei caused Zhao to back away from the alliance. In 383 BC it moved its capital to Handan and attacked the small state of Wey . Wey appealed to Wei which attacked Zhao on

3510-497: The Zhou dynasty (see below). King Hui of Wei (370–319 BC) set about restoring the state. In 362–359 BC he exchanged territories with Han and Zhao in order to make the boundaries of the three states more rational. In 364 BC, Wei was defeated by Qin at the Battle of Shimen and was only saved by the intervention of Zhao. Qin won another victory in 362 BC. In 361 BC the Wei capital

3600-608: The Zhou dynasty, instead proclaiming themselves fully independent kingdoms. During the early Warring States period Qin generally avoided conflicts with the other states. This changed during the reign of Duke Xiao , when prime minister Shang Yang made centralizing and authoritarian reforms in accordance with his Legalist philosophy between the years 356 and 338 BC. Shang introduced land reforms, privatized land, rewarded farmers who exceeded harvest quotas, enslaved farmers who failed to meet quotas, and used enslaved subjects as rewards for those who met government policies. As manpower

3690-544: The administration. The rise of Qin was recognized by the royal court, and in 343 BC the king conferred the title of Count (伯 Bó) on Duke Xiao. As was customary, a conference was hosted which the feudal lords attended, and during which the Son of Heaven bestowed the title. After the reforms Qin became much more aggressive. In 340 Qin took land from Wèi after it had been defeated by Qi. In 316 Qin conquered Shu and Ba in Sichuan to

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3780-479: The allied Han, Zhao and Wei destroy the Zhi family (453 BC) and their lands were distributed among them. With this, they became the de facto rulers of most of Jin's territory, though this situation would not be officially recognised until half a century later. The Jin division created a political vacuum that enabled during the first 50 years expansion of Chu and Yue northward and Qi southward. Qin increased its control of

3870-522: The arts, and is perhaps best remembered for hosting the Confucian philosopher Mencius at his court; their conversations form the first two chapters of the book which bears Meng Zi's name . The title of king ( wang , 王 ) was held by figurehead rulers of the Zhou dynasty, while the rulers of most states held the title of duke ( gong , 公 ) or marquess ( hou , 侯 ). A major exception was Chu, whose rulers were called kings since King Wu of Chu started using

3960-522: The backdrop for the machinations of the eponymous Warring States. The label "Warring States period" derives from the Record of the Warring States , a work of history compiled during the early Han dynasty (202 BC – 220 AD). The political geography of the era was dominated by the Seven Warring States , namely: Besides these seven major states other smaller states survived into

4050-511: The bedrock. The carbonic acid that causes karst features is formed as rain passes through Earth's atmosphere picking up carbon dioxide (CO 2 ), which readily dissolves in the water. Once the rain reaches the ground, it may pass through soil that provides additional CO 2 produced by soil respiration . Some of the dissolved carbon dioxide reacts with the water to form a weak carbonic acid solution, which dissolves calcium carbonate . The primary reaction sequence in limestone dissolution

4140-500: The beginning of the Warring States period, Sima Qian 's choice of 475 BC is the most often cited. The era largely corresponds to the second half of the Eastern Zhou period, where the king of Zhou formally ruled as Chinese sovereign , but had lost political power and functioned in practice as a figurehead. Instead, actual power was shared among the king of the warring states which function similar to Duchies . This dynamic served as

4230-620: The beginning of the era. Proposed starting points include: The Eastern Zhou dynasty began its fall around 5th century BC. As their influence waned, they had to rely on armies in allied states rather than their own military force. Hundreds of smaller polities coalesced into seven major states which included: Chu, Han, Qin, Wei, Yan, Qi and Zhao. However, there eventually was a shift in alliances because each state's ruler wanted independence. This caused hundreds of wars between 535 and 286 BC. The victorious state would have overall rule and control in China. The system of feudal states created by

4320-441: The city include construction materials such as stone and cement, raw aluminium , barium salt , and rolling bearings . In recent years, the city has played an important role in the development of military aircraft, with significant production taking place in the city, and with Anshun Huangguoshu Airport serving as a testing ground for new military aircraft. In 2019, the city government announced an initiative to further increase

4410-640: The city's aerospace industry over the next few years. According to the Sixth National Population Census of the People's Republic of China conducted in 2010, the residence population was 2,297,339, a reduction of 34,402 (1.48%) from the Fifth Census in 2000. The male-female ratio was 107.34 males per 100 females. Persons aged 0–14 numbered 580,910 (25.29%), 15–64 numbered 1,516,977 (66.03%), and 65+ numbered at 199,452 (8.68%). The urban population

4500-592: The cloth will be dipped dyeing in the indigotin . Finally, the patterns will be white shapes on a blue ground. Baktis can be used to make dresses and some other daily used things. Dixi Opera is called the "living fossil of Chinese Opera ". The acting style is singing and dancing. The main feature is that all actors wear the xylographic masks and sing the opera which are the ancient style. Warring States period The Warring States period in Chinese history ( c.  475  – 221 BC) comprises

4590-450: The complexity of karst aquifers, and need to be supplemented with dye traces , measurement of spring discharges, and analysis of water chemistry. U.S. Geological Survey dye tracing has determined that conventional groundwater models that assume a uniform distribution of porosity are not applicable for karst aquifers. Linear alignment of surface features such as straight stream segments and sinkholes develop along fracture traces . Locating

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4680-598: The days of the year) and high humidity year-round. Winters are short, cool and damp, while summers are very warm. The monthly 24-hour mean temperature ranges from 4.5 °C (40.1 °F) in January to 22.0 °C (71.6 °F) in July, and the annual mean is 14.22 °C (57.6 °F). Over two-thirds of the annual rainfall occurs from May to August. Anshun administers one district , two counties , and three autonomous counties . In addition, there are two other administrative areas:

4770-484: The diplomat Su Qin spent years visiting the courts of Yan, Zhao, Han, Wei, Qi and Chu and persuaded them to form a united front against Qin. In 318 BC all states except Qi launched a joint attack on Qin, which was not successful. King Hui of Qin died in 311 BC, followed by prime minister Zhang Yi one year later. The new monarch, King Wu , reigned only four years before dying without legitimate heirs. Some damaging turbulence ensued throughout 307 BC before

4860-401: The dukes Xian (384–362 BC), Xiao (361–338 BC) and Hui (338–311 BC) of Qin as hegemons, thereby in theory making Qin the chief ally of the court. However, in 325 the confidence of Duke Hui grew so great that he proclaimed himself "king" of Qin; adopting the same title as the king of Zhou and thereby effectively proclaiming independence from the Zhou dynasty. King Hui of Qin

4950-710: The final centuries of the Zhou dynasty ( c.  1046  – 256 BC), which were characterized by warfare, bureaucratic and military reform, and political consolidation. It followed the Spring and Autumn period and concluded with the wars of conquest that saw the state of Qin annex each of the other contender states by 221 BC and found the Qin dynasty , the first imperial dynastic state in East Asian history. While scholars have identified several different dates as marking

5040-557: The fissures. The enlarged fissures allow a larger quantity of water to enter which leads to a progressive enlargement of openings. Abundant small openings store a large quantity of water. The larger openings form a conduit system that drains the aquifer to springs. Characterization of karst aquifers requires field exploration to locate sinkholes, swallets , sinking streams , and springs in addition to studying geologic maps . Conventional hydrogeologic methods such as aquifer tests and potentiometric mapping are insufficient to characterize

5130-466: The global demand for drinkable water. Farming in karst areas must take into account the lack of surface water. The soils may be fertile enough, and rainfall may be adequate, but rainwater quickly moves through the crevices into the ground, sometimes leaving the surface soil parched between rains. The karst topography also poses peculiar difficulties for human inhabitants. Sinkholes can develop gradually as surface openings enlarge, but progressive erosion

5220-431: The house of Jiang, which had ruled Qi since the state's founding. The throne instead passed to the future King Wei , from the house of Tian. The Tian had been very influential at court towards the end of Jiang rule, and now openly assumed power. The new ruler set about reclaiming territories that had been lost to other states. He launched a successful campaign against Zhao, Wey and Wei, once again extending Qi territory to

5310-456: The karst groundwater flow rates from 0.5 to 7 miles per day (0.8 to 11.3 km/d). The rapid groundwater flow rates make karst aquifers much more sensitive to groundwater contamination than porous aquifers. Groundwater in karst areas is also just as easily polluted as surface streams, because Karst formations are cavernous and highly permeable, resulting in reduced opportunity for contaminant filtration. Well water may also be unsafe as

5400-525: The karst regions of the Balkans, Cvijić's 1893 publication Das Karstphänomen describes landforms such as karren, dolines and poljes . In a 1918 publication, Cvijić proposed a cyclical model for karst landscape development. Karst hydrology emerged as a discipline in the late 1950s and the early 1960s in France. Previously, the activities of cave explorers, called speleologists , had been dismissed as more of

5490-439: The last remaining Jin territory between themselves, which marked the final end of the Jin state. In 370 BC, Marquess Wu of Wei died without naming a successor, which led to a war of succession. After three years of civil war, Zhao from the north and Han from the south invaded Wei. On the verge of conquering Wei, the leaders of Zhao and Han fell into disagreement about what to do with Wei, and both armies abruptly retreated. As

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5580-552: The last-named locality having been declared a site of special scientific interest in respect of it. Kegelkarst is a type of tropical karst terrain with numerous cone-like hills, formed by cockpits, mogotes , and poljes and without strong fluvial erosion processes. This terrain is found in Cuba, Jamaica, Indonesia, Malaysia, the Philippines, Puerto Rico, southern China, Myanmar, Thailand, Laos and Vietnam. Salt karst (or 'halite karst')

5670-412: The local South Slavic languages , all variations of the word are derived from a Romanized Illyrian base (yielding Latin : carsus , Dalmatian : carsus ), later metathesized from the reconstructed form * korsъ into forms such as Slovene : kras and Serbo-Croatian : krš , kras , first attested in the 18th century, and the adjective form kraški in the 16th century. As

5760-467: The local tribes and began its expansion southwest to Sichuan . In 403 BC, the court of King Weilie of Zhou officially recognized Zhao, Wei and Han as immediate vassals, thereby raising them to the same rank as the other warring states. From before 405 until 383 BC the three Jins were united under the leadership of Wei and expanded in all directions. The most important figure was Marquess Wen of Wei (445–396 BC). In 408–406 BC he conquered

5850-637: The most dramatic of these formations can be seen in Thailand 's Phangnga Bay and at Halong Bay in Vietnam . Calcium carbonate dissolved into water may precipitate out where the water discharges some of its dissolved carbon dioxide. Rivers which emerge from springs may produce tufa terraces, consisting of layers of calcite deposited over extended periods of time. In caves, a variety of features collectively called speleothems are formed by deposition of calcium carbonate and other dissolved minerals. Interstratal karst

5940-442: The newly crowned King Min have him publicly executed to draw out the assassins. King Min complied with Su's request and killed him, putting an end to the first generation of Vertical alliance thinkers. King Min of Qi came to be highly influenced by Lord Mengchang , a grandson of the former King Wei of Qi . Lord Mengchang made a westward alliance with the states of Wei and Han . In the far west, Qin, which had been weakened by

6030-704: The period. Sedimentation resumed and further limestone strata were deposited on an irregular karst surface, the cycle recurring several times in connection with fluctuating sea levels over prolonged periods. Pseudokarsts are similar in form or appearance to karst features but are created by different mechanisms. Examples include lava caves and granite tors —for example, Labertouche Cave in Victoria, Australia —and paleocollapse features. Mud Caves are an example of pseudokarst. Karst formations have unique hydrology, resulting in many unusual features. A karst fenster (karst window) occurs when an underground stream emerges onto

6120-422: The period. They include: The eastward flight of the Zhou court in 771 BC marks the start of the Spring and Autumn period . No one single incident or starting point inaugurated the Warring States era. The political situation of the period represented a culmination of historical trends of conquest and annexation which also characterised the Spring and Autumn period. As a result, there is some controversy as to

6210-418: The right conditions. Subterranean drainage may limit surface water, with few to no rivers or lakes. In regions where the dissolved bedrock is covered (perhaps by debris) or confined by one or more superimposed non-soluble rock strata, distinctive karst features may occur only at subsurface levels and can be totally missing above ground. The study of paleokarst (buried karst in the stratigraphic column )

6300-757: The river flows into a cave in a formation known as the Madison Limestone and then rises again 800 m ( 1 ⁄ 2  mi) down the canyon in a placid pool. A turlough is a unique type of seasonal lake found in Irish karst areas which are formed through the annual welling-up of water from the underground water system. Main Article Aquifer#Karst Karst aquifers typically develop in limestone . Surface water containing natural carbonic acid moves down into small fissures in limestone. This carbonic acid gradually dissolves limestone thereby enlarging

6390-447: The southwest. Development of this area took a long time but slowly added greatly to Qin's wealth and power. In 341 BC, Wei attacked Han. Qi allowed Han to be nearly defeated and then intervened. The generals from the Battle of Guiling met again ( Sun Bin and Tian Ji versus Pang Juan ), using the same tactic, attacking Wei's capital. Sun Bin feigned a retreat and then turned on the overconfident Wei troops and decisively defeated them at

6480-483: The states, recommending that the rulers put their respective ideas into use. These "lobbyists", such as Su Qin , who advocated vertical alliances, and Zhang Yi , who advocated horizontal alliances, were famous for their tact and intellect, and were collectively known as the School of Diplomacy , whose Chinese name ( 縱橫家 'the school of the vertical and horizontal') was derived from the two opposing ideas. Beginning in 334 BC

6570-625: The surface between layers of rock, cascades some distance, and then disappears back down, often into a sinkhole. Rivers in karst areas may disappear underground a number of times and spring up again in different places, even under a different name, like Ljubljanica , the "river of seven names". Another example of this is the Popo Agie River in Fremont County, Wyoming , where, at a site named "The Sinks" in Sinks Canyon State Park ,

6660-415: The surface, complex underground drainage systems (such as karst aquifers ) and extensive caves and cavern systems may form. Erosion along limestone shores, notably in the tropics , produces karst topography that includes a sharp makatea surface above the normal reach of the sea, and undercuts that are mostly the result of biological activity or bioerosion at or a little above mean sea level . Some of

6750-1002: The system ( pyrite or hydrogen sulfide ) to form sulfuric acid (H 2 SO 4 ). Sulfuric acid then reacts with calcium carbonate, causing increased erosion within the limestone formation. This chain of reactions is: This reaction chain forms gypsum . The karstification of a landscape may result in a variety of large- or small-scale features both on the surface and beneath. On exposed surfaces, small features may include solution flutes (or rillenkarren), runnels , limestone pavement (clints and grikes), kamenitzas collectively called karren or lapiez. Medium-sized surface features may include sinkholes or cenotes (closed basins), vertical shafts, foibe (inverted funnel shaped sinkholes), disappearing streams, and reappearing springs . Large-scale features may include limestone pavements , poljes , and karst valleys. Mature karst landscapes, where more bedrock has been removed than remains, may result in karst towers , or haystack/eggbox landscapes. Beneath

6840-431: The title c.  703 BC . In 344 BC the rulers of Qi and Wei mutually recognized each other as kings: King Wei of Qi and King Hui of Wei , in effect declaring their independence from the Zhou court. This marked a major turning point: unlike those in the Spring and Autumn period , the new generation of rulers ascending the thrones in the Warring States period would not entertain even the pretence of being vassals of

6930-461: The water may have run unimpeded from a sinkhole in a cattle pasture, bypassing the normal filtering that occurs in a porous aquifer . Sinkholes have often been used as farmstead or community trash dumps . Overloaded or malfunctioning septic tanks in karst landscapes may dump raw sewage directly into underground channels. Geologists are concerned with these negative effects of human activity on karst hydrology which, as of 2007 , supplied about 25% of

7020-430: The west, Qianxinan Buyei and Miao Autonomous Prefecture to the south, and Bijie to the north. Within the prefecture, the elevation ranges from 1,102 to 1,694 metres (3,615 to 5,558 ft). Anshun has a monsoon -influenced humid subtropical climate ( Köppen Cwa ) bordering on a subtropical highland climate (Köppen Cwb ), tempered by its rather high altitude and having frequent rain (falling on just over half of

7110-507: The western Highland Rim in the eastern United States is at the second-highest risk of karst sinkholes. In Canada, Wood Buffalo National Park , Northwest Territories contains areas of karst sinkholes. Mexico hosts important karst regions in the Yucatán Peninsula and Chiapas . The West of Ireland is home to The Burren , a karst limestone area. The South China Karst in the provinces of Guizhou , Guangxi , and Yunnan provinces

7200-448: The western side. Being in danger, Zhao called in Chu. As usual, Chu used this as a pretext to annex territory to its north, but the diversion allowed Zhao to occupy a part of Wei. This conflict marked the end of the power of the united Jins and the beginning a period of shifting alliances and wars on several fronts. In 376 BC, the states of Han, Wei and Zhao deposed Duke Jing of Jin and divided

7290-627: Was 690,138 (only 30.04%). Among the residence population, there were 1,466,833 people of Han ethnicity (63.85%), with members of various other ethnic groups taking up the other 36.15%. The city is home to a significant number of Tunpo People , many of whom live in Tianlong Tunbao town . The city sits on the Guiyang-Kunming railway  [ zh ] , a section on the Shanghai-Kunming railway . Anshun West railway station serves as

7380-616: Was conquered by the Han dynasty , and incorporated as Zangke Commandery  [ zh ] . From 28 BCE to 25 BCE, an insurrection against Emperor Cheng called for the reinstatement of the Yelang Kingdom, but was crushed by Han forces. In the Three Kingdoms period , the area was split between the county of Yelang and the county of Qielan  [ zh ] within Yi Province . Under

7470-507: Was driven out of Qin. The remaining three allies, Qi, Wei and Han, attacked Qin, driving up the Yellow River below Shanxi to the Hangu Pass . After 3 years of fighting they took the pass and forced Qin to return territory to Han and Wei. They next inflicted major defeats on Yan and Chu. During the 5-year administration of Lord Mengchang, Qi was the major power in China. In 294, Lord Mengchang

7560-477: Was guided by his prime minister Zhang Yi , a prominent representative of the School of Diplomacy . He was followed in 323 BC by King Xuanhui of Han and King Yi of Yan , as well as King Cuo of the minor state Zhongshan. In 318 BC even the ruler of Song , a relatively minor state, declared himself king. Uniquely, while King Wuling of Zhao had joined the other kings in declaring himself king, he retracted this order in 318 BC, after Zhao suffered

7650-499: Was implicated in a coup d'état and fled to Wei. His alliance system collapsed. Qi and Qin made a truce and pursued their own interests. Qi moved south against the state of Song whilst the Qin General Bai Qi pushed back eastward against a Han/Wei alliance, gaining victory at the Battle of Yique . In 288, King Zhao of Qin and King Min of Qi took the title di ( 帝 'emperor'), of the west and east respectively. They swore

7740-450: Was moved east to Daliang to be out of the reach of Qin. In 354 BC, King Hui of Wei started a large-scale attack on Zhao. By 353 BC, Zhao was losing badly and its capital, Handan , was under siege. The state of Qi intervened. The famous Qi strategist, Sun Bin the great-great-great-grandson of Sun Tzu , the author of the Art of War , proposed to attack the Wei capital while the Wei army

7830-413: Was re-organized as Anshun Area ( 安顺地区 ), which it would remain until June 23, 2000, when it was re-organized as a prefecture-level city . Anshun's administrative area spans latitude 25° 21′−26° 38′ N and longitude 105° 13′−106° 34′ E and contains sizeable areas of karst formation. It borders Guiyang , the provincial capital, and Qiannan Buyei and Miao Autonomous Prefecture to the east, Liupanshui to

7920-721: Was replaced by the Anshun Military and Civil Administration ( 安順軍民府 ). The area was incorporated into the Qing dynasty in 1658, and a new Anshun Prefecture  [ zh ] was established. In April 1638, Xu Xiake , the greatest travel writer and geographer of ancient China, traveled to Anshun. In 1673, the area became engulfed under the Revolt of the Three Feudatories , during which, significant fighting took place in Anshun. The Anshun Prefecture would remain until January 15, 1913, when

8010-404: Was short in Qin relative to the other states at the time, Shang enacted policies to increase its manpower. As Qin peasants were recruited into the military, he encouraged active immigration of peasants from other states into Qin as a replacement workforce; this policy simultaneously increased the manpower of Qin and weakened the manpower of Qin's rivals. Shang made laws forcing citizens to marry at

8100-471: Was tied up besieging Zhao. The strategy was a success; the Wei army hastily moved south to protect its capital, was caught on the road and decisively defeated at the Battle of Guiling . The battle is remembered in the second of the Thirty-Six Stratagems , "besiege Wei, save Zhao"—meaning to attack a vulnerable spot to relieve pressure at another point. Domestically, King Hui patronized philosophy and

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