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浏览/检索结果: 共11条，第1-10条 帮助 限定条件 内容类型：会议论文    专题：遥感与数字地球研究所    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 Remote chlorophyll-a retrieval in eutrophic inland waters by concentration classification Taihu Lake case study 会议论文 International Conference on Earth Observation Data Processing and Analysis, ICEODPA,, Wuhan, China, December 28, 2008 - December 30,2008 Du, Cong; Wang, Shixin; Zhou, Yi; Yan, Fuli 收藏  |  浏览/下载：18/0  |  提交时间：2014/12/07 In order to improve the precision of phytoplankton chlorophyll-a (chla) concentration retrieval  this study classified the data into two groups (the high and the low) by chla concentration with the threshold of 50gA&bullL-1. And then build the statistical models for each group. Particularly  a modifying factor OSS/TSS was used to unmixing the spectra in the low model to improve the low relationship between spectral reflectance and chla concentrations. As a result  the concentration classification model allowed estimation of chla with a root mean square error (RMSE) of 21.12gA&bullL-1 and the determination coefficient (R2) was 0.92  comparing with RMSE of chla estimation was 35.72gA&bullL-1 and R2=0.72 in the traditional model. It shows that concentration classification is a helpful method for accurate remote chla retrieval in eutrophic inland waters. 2008 SPIE.   An estimate of the city population in China using DMSP night-time satellite imagery 会议论文 Igarss: 2007 Ieee International Geoscience and Remote Sensing Symposium, Vols 1-12: Sensing and Understanding Our Planet, New York Cheng, Liyu; Zhou, Yi; Wang, Litao; Wang, Shixin; Du, Cong 收藏  |  浏览/下载：37/0  |  提交时间：2014/12/07 DMSP-OLS data  population  China  LIGHTS   Study on GPS precipitation forecast system for river catchments based on GA-ANN model 会议论文 IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings, New York Lin, WP; Zhang, JQ; Wang, CY; Cong, PF; Wang, XM 收藏  |  浏览/下载：11/0  |  提交时间：2014/12/07 Binjiang river catchments  GPS water vapor  GA-BP network  precipitation  forecast   Comparison of atmospheric water vapor estimated frorn GPS and MODIS sensors over Fangshan, Beijing 会议论文 IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings, New York Wang, XM; Cong, PF; Lin, WP; Wang, CY; Niu, Z 收藏  |  浏览/下载：10/0  |  提交时间：2014/12/07 GPS  remote sensing  MODIS  Precipitable Water Vapour   Application of neural network in retrieving chlorophyll a concentration from SeaWiFS in the sea area near Dalian 会议论文 IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings, New York Cong, P; Niu, Z; Wang, C; Liu, W; Wang, X; Gu, X 收藏  |  浏览/下载：13/0  |  提交时间：2014/12/07 Neural Network  chlorophyll a concentration  SeaWiFS  retrieval  OCEAN COLOR  MODEL  ALGORITHMS   Remote sensing and GIS in runoff coefficient estimation in Binjiang basin 会议论文 IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings, New York Zhan, YL; Wang, CY; Niu, Z; Cong, PF; Li, GY 收藏  |  浏览/下载：14/0  |  提交时间：2014/12/07 remote sensing  GIS  runoff coefficient  rational method  SCS curve  number   Retrieval forest stock volume of large plantation in South China using RADARSAT-SAR 会议论文 IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings, New York Wang, CL; Niu, C; Cong, PF; Lin, WP; Guo, ZX 收藏  |  浏览/下载：14/0  |  提交时间：2014/12/07 RADARSAT-SAR  forest stock volume estimation  backscatter coefficient  South China  BOREAL FORESTS  BIOMASS  BACKSCATTER  ERS-1   Tropical forest plantation biomass estimation using RADARSAT-SAR and TM data off south china 会议论文 MIPPR 2005: SAR and Multispectral Image Processing, Wuhan, China, October 31, 2005 - November 2,2005 Wang, Chenli; Niu, Zheng; Gu, Xiaoping; Guo, Zhixing; Cong, Pifu Source 收藏  |  浏览/下载：16/0  |  提交时间：2014/12/07 Biomass  Data reduction  Estimation  Sensitivity analysis  Synthetic aperture radar  Vegetation   Optimized strategy analysis on retrieval of GPS Precipitable Water Vapor 会议论文 International Conference on Space Information Technology, Wuhan, China, November 19, 2005 - November 20,2005 Gu, Xiaoping; Cong, Pifu; Wang, Changyao; Chen, Xiao; Wang, Wen; Yuan, Shujie Source 收藏  |  浏览/下载：9/0  |  提交时间：2014/12/07 Vapors  Computer software  Global positioning system  Optimization  Precipitation (chemical)   Comparison of atmospheric water vapor estimated from GPS and MODIS sensors over Fangshan, Beijing 会议论文 2005 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2005,, Seoul, Korea, Republic of, July 25, 2005 - July 29,2005 Wang; Cong, Pifu; Lin, Wenpeng; Wang, Changyao; Niu, Zheng Source 收藏  |  浏览/下载：17/0  |  提交时间：2014/12/07 Earth atmosphere  Global positioning system  Interferometry  Precipitation (meteorology)  Remote sensing  Vapors