QQ客服 官方微博 反馈留言

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 Establishing a ecosystem health model in arid and semi-arid area by using remote sensing data 会议论文 2005 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2005, Seoul, Korea, Republic of, July 25, 2005 - July 29, 2005 作者:  Chen, Zhenghua;  Wang, Jian 收藏  |  浏览/下载：2/0  |  提交时间：2017/01/18 Ecosystems  Arid regions  Climate change  Data reduction  Diagnosis  Erosion  Mathematical models  Models  Pressure  Remote sensing  Ecosystem health  NDVI  Resilience  Vigor   Two types of dust storms caused by cold air crossing the mountains in Xinjiang 会议论文 International Conference on Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land, HANGZHOU, PEOPLES R CHINA, OCT 24-27, 2002 作者:  Chen, YH;  Zhang, WY;  Chen, CH;  Du, P;  Wang, X 收藏  |  浏览/下载：4/0  |  提交时间：2017/01/18 dust storm  cold air crossing the mountains  synoptic cause  forecasting index   Evaluation of the utility of sub-pixel analysis of thematic mapper imagery of serious soil degradation in the Yellow River source regions 会议论文 Hangzhou, China, October 24, 2002 - October 27, 2002 作者:  Zhang, Shiqiang;  Lu, Jian;  Liu, Shiyin;  Zeng, Yongnian;  Zhang, S. (zhsqxw@163.com) 收藏  |  浏览/下载：3/0  |  提交时间：2017/01/17 Remote Sensing  Classification (Of Information)  Computer Software  Degradation  Geographical Regions  Image Sensors  Mapping  Rivers  Soil Testing  Grasslands  Soil Degradation   Grassland desertification monitoring in the upper reach of the Yellow River, northeast Qinghai-Xizang Plateau by remote sensing and GIS 会议论文 International Conference on Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land, HANGZHOU, PEOPLES R CHINA, OCT 24-27, 2002 作者:  Zeng, YN;  Feng, ZD;  Cao, GC;  Wang, WG 收藏  |  浏览/下载：6/0  |  提交时间：2017/01/18 sandy desertification  grassland  remote sensing and GIS  upper reach of the Yellow River  northeast Qinghai-Xizang plateau