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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 内容类型：会议论文    专题：兰州大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 THE VERTIFICATION OF CLIMATE DROUGHT DYNAMIC MONITORING IN ALPINE MEADOW BASED ON STANDARDIZED PRECIPITATION INDEX AND GIS 会议论文 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, PEOPLES R CHINA, JUL 10-15, 2016 作者:  Zhao, XL;  Li, WL;  Zhao, YT;  Xu, J;  Guo, XL 收藏  |  浏览/下载：4/0  |  提交时间：2017/05/11 Alpine grassland  Climate drought  SPI   THE STUDY OF SUSTAINABLE DEVELOPMENT OF ALPINE PASTORAL REGION IN EASTERN TIBETAN PLATEAU BASED ON THE MODEL OF EMERGY ECOLOGICAL FOOTPRINT 会议论文 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, PEOPLES R CHINA, JUL 10-15, 2016 作者:  Yu, C;  Li, WL;  Chen, D;  Xu, J;  Guo, XL 收藏  |  浏览/下载：2/0  |  提交时间：2017/05/11 sustainable development  emergy ecological footprint  emergy carrying capacity  resource utilization efficiency   THE DYNAMICS OF GRASSLAND VEGETATION FRACTIONAL COVERAGE USING TIME-SERIES MODIS DATA IN GANNAN REGION OF CHINA 会议论文 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Quebec, CANADA, JUL 13-18, 2014 作者:  Li, WL;  Xu, J;  Wang, H 收藏  |  浏览/下载：2/0  |  提交时间：2017/01/17 Alpine grassland  Gannan  Grassland vegetation coverage  MODIS  NDVI   Remote Sensing Image Extraction and Precision Analysis for Alpine Wetland Based on Coupling Analysis of Multispectral Factor PCA and Decision Tree 会议论文 2nd International Congress on Image and Signal Processing, Tianjin, PEOPLES R CHINA, OCT 17-19, 2009 作者:  Li, WL;  Liang, TG;  Wang, X 收藏  |  浏览/下载：2/0  |  提交时间：2017/01/17 Alpine wetland  Decision tree classification  Spectrum analysis  PCA  Wetland extraction