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JOURNAL OF GEOPHYSICAL RESEARCH,
VOL. 114,
D22103,
19 PP., 2009
doi:10.1029/2008JD011590
Watershed Allied Telemetry Experimental Research
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, China
School of Geography and Remote Sensing Science, Beijing Normal University, Beijing, China
Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, China
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Institute of Forest Resource Information Techniques, Chinese Academy of Forestry, Beijing, China
School of Geography and Remote Sensing Science, Beijing Normal University, Beijing, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
School of Geography and Remote Sensing Science, Beijing Normal University, Beijing, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, China
School of Geography and Remote Sensing Science, Beijing Normal University, Beijing, China
School of Geography and Remote Sensing Science, Beijing Normal University, Beijing, China
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, China
School of Automation, University of Electronic Science and Technology of China, Chengdu, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China
Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing, China
School of Geography and Remote Sensing Science, Beijing Normal University, Beijing, China
The Watershed Allied Telemetry Experimental Research (WATER) is a simultaneous airborne, satellite-borne, and ground-based remote sensing experiment aiming to improve the observability, understanding, and predictability of hydrological and related ecological processes at a catchment scale. WATER consists of the cold region, forest, and arid region hydrological experiments as well as a hydrometeorology experiment and took place in the Heihe River Basin, a typical inland river basin in the northwest of China. The field campaigns have been completed, with an intensive observation period lasting from 7 March to 12 April, from 15 May to 22 July, and from 23 August to 5 September 2008: in total, 120 days. Twenty-five airborne missions were flown. Airborne sensors including microwave radiometers at L, K, and Ka bands, imaging spectrometer, thermal imager, CCD, and lidar were used. Various satellite data were collected. Ground measurements were carried out at four scales, that is, key experimental area, foci experimental area, experiment site, and elementary sampling plot, using ground-based remote sensing instruments, densified network of automatic meteorological stations, flux towers, and hydrological stations. On the basis of these measurements, the remote sensing retrieval models and algorithms of water cycle variables are to be developed or improved, and a catchment-scale land/hydrological data assimilation system is being developed. This paper reviews the background, scientific objectives, experiment design, filed campaign implementation, and current status of WATER. The analysis of the data will continue over the next 2 years, and limited revisits to the field are anticipated.
Received 6 December 2008; accepted 11 August 2009; published 21 November 2009.
Citation: (2009), Watershed Allied Telemetry Experimental Research, J. Geophys. Res., 114, D22103, doi:10.1029/2008JD011590.
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