1990—2015年内蒙古地表水时空变化特征研究
P962; [目的]分析1990-2015年内蒙古地表水的时空变化,探究气候和人类活动对地表水的影响.[方法]基于4个典型子区域对6种光谱指数(MNDWI、NDWI、AWEI、MBWI、WI2015和TCW)的性能和稳定性进行评估,分析适合于内蒙古地表水识别和提取的最优水体指数,并将其应用于整个内蒙古地表水研究中.[结果]1990-2015年内蒙古地表水整体呈先减少后增加的趋势,1990-2010年内蒙古地表水面积急剧下降,2010-2015年研究区地表水面积有所上升和恢复.1990-2015年除兴安盟、呼和浩特、乌海呈缓慢增加趋势,其他的9个盟市水体面积均下降.AWEI水体指数阈值稳定,有很...
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| Published in | Guanʻgai paishui xuebao Vol. 40; no. 2; pp. 136 - 143 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Xinxiang City
Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
01.02.2021
内蒙古师范大学地理科学学院,呼和浩特010022%内蒙古师范大学地理科学学院,呼和浩特010022 内蒙古自治区遥感与地理信息系统重点实验室,呼和浩特010022 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1672-3317 |
| DOI | 10.13522/j.cnki.ggps.2020191 |
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| Abstract | P962; [目的]分析1990-2015年内蒙古地表水的时空变化,探究气候和人类活动对地表水的影响.[方法]基于4个典型子区域对6种光谱指数(MNDWI、NDWI、AWEI、MBWI、WI2015和TCW)的性能和稳定性进行评估,分析适合于内蒙古地表水识别和提取的最优水体指数,并将其应用于整个内蒙古地表水研究中.[结果]1990-2015年内蒙古地表水整体呈先减少后增加的趋势,1990-2010年内蒙古地表水面积急剧下降,2010-2015年研究区地表水面积有所上升和恢复.1990-2015年除兴安盟、呼和浩特、乌海呈缓慢增加趋势,其他的9个盟市水体面积均下降.AWEI水体指数阈值稳定,有很好的试用性,更适合于研究区的地表水识别和监测.[结论]影响研究区地表水变化因素复杂多样,整体来看内蒙古地表水面积变化是由于气候和人类活动的双重因素所致,其中人类活动是地表水面积减少、湖泊萎缩的主要影响因素. |
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| AbstractList | P962; [目的]分析1990-2015年内蒙古地表水的时空变化,探究气候和人类活动对地表水的影响.[方法]基于4个典型子区域对6种光谱指数(MNDWI、NDWI、AWEI、MBWI、WI2015和TCW)的性能和稳定性进行评估,分析适合于内蒙古地表水识别和提取的最优水体指数,并将其应用于整个内蒙古地表水研究中.[结果]1990-2015年内蒙古地表水整体呈先减少后增加的趋势,1990-2010年内蒙古地表水面积急剧下降,2010-2015年研究区地表水面积有所上升和恢复.1990-2015年除兴安盟、呼和浩特、乌海呈缓慢增加趋势,其他的9个盟市水体面积均下降.AWEI水体指数阈值稳定,有很好的试用性,更适合于研究区的地表水识别和监测.[结论]影响研究区地表水变化因素复杂多样,整体来看内蒙古地表水面积变化是由于气候和人类活动的双重因素所致,其中人类活动是地表水面积减少、湖泊萎缩的主要影响因素. |
| Author | Song, QING YUAN Ruiqiang |
| AuthorAffiliation | 内蒙古师范大学地理科学学院,呼和浩特010022%内蒙古师范大学地理科学学院,呼和浩特010022;内蒙古自治区遥感与地理信息系统重点实验室,呼和浩特010022 |
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| Author_FL | QING Song YUAN Ruiqiang |
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| DOI | 10.13522/j.cnki.ggps.2020191 |
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| SubjectTerms | Anthropogenic factors Arid zones Climate change Ecological function Ecosystem management Environmental degradation Environmental impact Environmental management Human influences Impact analysis Lakes Performance indices Rivers Semi arid areas Semiarid zones Surface stability Surface water Water bodies Water management Water monitoring Water resources |
| Title | 1990—2015年内蒙古地表水时空变化特征研究 |
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