乌蒙山区典型富水型背斜泉群成因机理研究——以绥江县新滩镇银厂村幸福泉为例

乌蒙山区划跨云南、贵州、四川三省,是国家新一轮扶贫开发攻坚战主战场之一,五角堡背斜位于乌蒙山区中部,分布于绥江县五角堡至屏山县楼东一带,背斜周边共出露天然泉点45个,幸福泉位于五角堡背斜北西翼,距离核部2km,枯水季流量141L/s,丰水季流量822L/s,为新滩镇供水水源地。根据前人调查,此泉的成因机理研究主要有两种截然不同的理论,一种为"上升泉理论",一种为"下降泉理论",针对这两种理论,以现场调查、示踪试验及地球物理勘探为依据,对幸福泉成因机理进行深入分析并提出自己的观点,认为幸福泉为岩溶裂隙上升泉,为此后同类富水性背斜泉群的研究及该地区地下水资源的合理开发利用提供科学依据。

Genetic Mechanism of Typical Water -rich Anticline Spring Group in Wumeng Mountain Area:A Case of Xingfu Spring in Yinchang Village, Xintan Town, Suijiang County

Wumeng?Mountain?stretch?across?Yunnan,?Cuizhou?and?Sichuan?provinces.?It?is?one?of?the?batlegrounds?for?the?newround?of?poverty?alvation?in?China.?The?Wujiaobao?anticline?is?located?in?the?middle?of?Wumeng?Mountain,?and?distributed?inthe?area?from?the?Wujiaobao?of?Suijiang?County?to?Loudong?of?Pingshan?County.?There?are?45?natural?springs?exposed?in?the?pe-riphery?of?the?anticline.?The?Xingfu?Spring?is?the?water?supply?source?of?Xintan?town?that?2km?away?from?the?core,?which?is?lo-cated?in?the?northwestern?wing?of?the?anticline?of?Wujiaobao,?and?the?seasonal?flow?is?141L/s?and?822L/s?in?the?low?water?seasonand?in?the?abundant?water?season?respectively.?According?to?the?previous?investigations,?there?are?mainly?two?different?theories?onthe?genesis?mechanism?of?the?spring,?one?is?the?theory?of?"rising?springs"?and?the?other?is?the?theory?of?"falling?springs".?Accord-ing?to?the?above?theories,?this?paper?made?an?in-?-depth?analysis?of?the?genesis?mechanism?of?the?Xingfu?Spring?and?put?forward?itsown?point?of?view?based?on?field?investigation,?tracer?test?and?geophysical?prospecting.?It?will?provide?a?scientific?basis?for?the?re-search?on?the?same?type?of?water-bearing?anticline?springs?and?the?rational?exploitation?and?utilization?of?groundwater?resources?inthe?area.