CAJ | 학술논문

由于地下水的长期超量开采,华北平原已成为世界上超采地下水最严重、地下水降落漏斗面积最大、地面沉降面积最大、沉降类型最复杂的地区。本文利用GIS 空间分析方法,分别对整个华北平原和沧州市的深层地下水开采量和沉降量进行对比分析,发现到2010年为止,华北平原年均沉降体积为10.73亿 m3,同期深层水年均开采量大约为24.5~26.75亿m 3,因此,华北平原地面沉降体积占深层水开采量的40.1%~43.8%,间接表明了深层水开采量中含水层和弱透水土层压密释水量所占比例；沧州地区1970年-2008年年均沉降体积约为1.98亿 m 3,深层地下水年均开采量为3.44亿m 3,该区的沉降体积占深层水开采量的57.6%,远大于华北平原的计算结果,这与沧州地区的岩性结构和补给条件有关。
유우지하수적장기초량개채,화북평원이성위세계상초채지하수최엄중、지하수강락루두면적최대、지면침강면적최대、침강류형최복잡적지구。본문이용GIS 공간분석방법,분별대정개화북평원화창주시적심층지하수개채량화침강량진행대비분석,발현도2010년위지,화북평원년균침강체적위10.73억 m3,동기심층수년균개채량대약위24.5~26.75억m 3,인차,화북평원지면침강체적점심층수개채량적40.1%~43.8%,간접표명료심층수개채량중함수층화약투수토층압밀석수량소점비례；창주지구1970년-2008년년균침강체적약위1.98억 m 3,심층지하수년균개채량위3.44억m 3,해구적침강체적점심층수개채량적57.6%,원대우화북평원적계산결과,저여창주지구적암성결구화보급조건유관。
Due to long term excessive groundwater exploitation, the North China Plain has become an area with the most excessive groundw ater pumping, the largest area of ground water depression cones and land subsidence, and the most complex subsidence type in the world.In this paper,GIS spatial analysis methodwasusedto conduct comparative analysis of deep ground water yield and land subsidence in the North China Plain and Cangzhou City. The results show ed that the annual subsidence volume of the North China plain is 10.73*100000000m3 until 2010 while the annual deep groundwater yield is about 24.5*108~ 26. 75108 m3.Therefore,the land subsidencevolumeaccountedfor40.1% to43.8% ofdeepgroundwateryield intheNorth ChinaPlain, indicating the proportion of released water from the compressibility of aquifer and the aquitard of the total deep groundwater yield.Theannualsubsidencevolumewas1.98@ 108m3andtheannualdeepgroundwateryieldwasabout3.44@108m3inCang2 zhouregionbetween1970and2008.Theproportionofsubsidencevolumeoftotaldeepgroundwateryieldwas57.6%,which was much higher than that of the North China Plain and can be explained by the lithological structure and recharge conditions of deep ground water in Cang zhou region.