利用卫星测高数据监测巢湖水位变化
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摘要
针对传统的通过水位站点连续观测获取水位信息的方式需要耗费人力、物力和财力的问题,该文提出利用Cryosat-2测高数据对内陆湖泊湖面高变化进行监测,并研究了巢湖水位变化与气候的关系,得出巢湖湖面高季节性变化的规律;同时,与地面水位站实测水位数据进行比较,发现二者存在显著的线性相关性。结果表明,利用Cryosat-2测高数据对内陆湖泊湖面高变化进行监测具有一定的可行性。
Aiming at the problem of height change detection about the surface of inland lake,Cryosat-2was used to detect the height of surface about inland lake,and the relationship between the height of Chaohu Lake and climate were studied;the regularity of seasonal variation of lake's level variation in Chaohu Lake was obtained;there was a significant linear correlation between the height of inland lake and ground water level data.The result showed that the method of using Cryosat-2satellite altimetry data to detect the level variation of inland lake was feasible.
Aiming at the problem of height change detection about the surface of inland lake,Cryosat-2was used to detect the height of surface about inland lake,and the relationship between the height of Chaohu Lake and climate were studied;the regularity of seasonal variation of lake's level variation in Chaohu Lake was obtained;there was a significant linear correlation between the height of inland lake and ground water level data.The result showed that the method of using Cryosat-2satellite altimetry data to detect the level variation of inland lake was feasible.
引文
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[2]郭华东.雷达对地观测理论与应用[M].北京:科学出版社,2000.
[3]赵小阳,李建成,王正涛,等.利用卫星测高技术监测厄尔尼诺和拉尼娜现象[J].海洋测绘,2007,27(1):41-44.
[4]邢乐林,李建成,褚永海,等.卫星测高技术在监测海啸现象中的研究及应用[J].海洋测绘,2006,26(1):1-3.
[5]李建成.利用卫星测高技术监测海平面变化[J].测绘学报,2001,30(4):316-321.
[6]李建成,金涛勇.卫星测高技术及应用若干进展[J].测绘地理信息,2013,38(4):1-8.
[7]李景刚,李纪人,阮宏勋,等.Jason-2卫星测高数据在陆地水域水位变化监测中的应用——以南洞庭湖为例[J].自然资源学报,2010,25(3):502-510.
[8]PONCHAUT F,CAZENAVE A.Continental lake level variations from Topex/Poseidon(1993-1996)[J].Comptes Rendus De Lacademie Des Sciences,1998,326(1):13-20.
[9]梁子亮,岳建平,吕志才,等.利用卫星测高技术确定浙江海域大地水准面[J].测绘工程,2014,23(7):22-25.
[10]BIRKETT C M.The contribution of TOPEX/POSEIDON to the global monitoring of climatically sensitive lakes[J].Journal of Geophysical Research,1995,100(C12):25179-25204.
[11]MEDINA C E,GOMEZ-ENRI J,ALONSO J J,et al.Water level fluctuations derived from ENVISAT Radar Altimeter(RA-2)and in-situ measurements in a subtropical waterbody:Lake Izabal(Guatemala)[J].Remote Sensing of Environment,2008,112(9):3604-3617.
[12]BIRKETT C M.Contribution of the TOPEX NASA radar altimeter to the global monitoring of large rivers and wetlands[J].Water Resources Research,1998,34(5):1223-1240.
[13]褚永海,李建成,姜卫平,等.利用Jason-1数据监测呼伦湖水位变化[J].大地测量与地球动力学,2005,25(4):11-16.
[14]高永刚,郭金运,岳建平.卫星测高在陆地湖泊水位变化监测中的应用[J].测绘科学,2008,33(6):73-75.
[15]朱余,王凤.巢湖流域水质状况与环境目标可达性分析[J].环境监测管理与技术,2004,16(6):22-23.
[16]KURTZ N T,GALIN N,STUDINGER M.An improved Cryosat-2sea ice freeboard retrieval algorithm through the use of waveform fitting[J].Cryosphere,2013,8(4):1217-1237.
[17]LAXON S W,GILES K A,RIDOUT A L,et al.Cryosat-2estimates of Arctic sea ice thickness and volume[J].Geophysical Research Letters,2013,40(4):732-737.
[18]ARMITAGE T W K,DAVIDSON M W J.Using the interferometric capabilities of the ESA Cryosat-2 mission to improve the accuracy of sea ice freeboard retrievals[C]//IEEE Transactions on Geoscience&Remote Sensing,2014,52(1):529-536.
[19]GALIN N,WINGHAM D J,CULLEN R,et al.Calibration of the Cryosat-2interferometer and measurement of across-track ocean slope[C]//IEEE Transactions on Geoscience&Remote Sensing,2013,51(1):57-72.
[20]ESA.Cryosat Product Handbook[Z].London,France,2011.
[21]李建成,褚永海,姜卫平,等.利用卫星测高资料监测长江中下游湖泊水位变化[J].武汉大学学报·信息科学版,2007,32(2):144-147.
[22]褚永海,李建成,张燕,等.ENVISAT测高数据波形重跟踪分析研究[J].大地测量与地球动力学,2005,25(1):76-80.
[23]姜卫平,褚永海,李建成,等.利用ENVISAT测高数据监测青海湖水位变化[J].武汉大学学报·信息科学版,2008,33(1):64-67.
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