[IEEE IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium - Sydney, NSW, Australia (9-13 July 2001)] IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217) - Improving the retrieval of key biophysical parameters used in climate modeling from POLDER hot spot measurements