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Articles | Volume XL-7/W3
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-7/W3, 1101–1110, 2015
https://doi.org/10.5194/isprsarchives-XL-7-W3-1101-2015
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-7/W3, 1101–1110, 2015
https://doi.org/10.5194/isprsarchives-XL-7-W3-1101-2015

  30 Apr 2015

30 Apr 2015

HYDROLOGIC AND CRYOSPHERIC PROCESSES OBSERVED FROM SPACE

M. Menenti1, X. Li2, J. Wang2, H. Vereecken3, J. Li4, M. Mancini5, Q. Liu6, L. Jia6, J. Li7, C. Kuenzer8, S. Huang4, H. Yesou9, J. Wen2, Y. Kerr10, X. Cheng11, N. Gourmelen12, C. Ke13, R. Ludwig14, H. Lin15, M. Eineder16, Y. Ma17, and Z. B. Su18 M. Menenti et al.
  • 1Faculty of Civil Engineering and Earth Sciences (CITG), Delft University of Technology (TUD), Post Box 5048, 2628 CN Delft, the Netherlands
  • 2Cold and Arid Region Environment Research Engineering (CAREERI), Chinese Academy of Sciences (CAS), 320 Donggang West Road, 730000 Lanzhou, P.R. China
  • 3Julich Research Centre, Germany
  • 4China Institute of Water Resources and Hydropower Research, China
  • 5Politecnico di Milano, Italy
  • 6State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth (RADI), Chinese Academy of Science (CAS), Beijing 100101 P.R. China
  • 7College of Disaster Reduction and Emergency Management. Beijing Normal University, China
  • 8German Remote Data Sensing Centre (DFD), German Aerospace Centere (DLR), Germany
  • 9SERTIT, University of Strasbourg, 300 bd Sébastien Brant, CS 10413, 67412 Illkirch Cedex, France
  • 10Center for the Study of the Biosphere from Space (CESBIO), France
  • 11Beijing Normal University, China
  • 12School of GeoSciences, University of Edinburgh, Drummond Street, Edinburgh EH8 9XP UK
  • 13School of Geographic & Oceanographic Sciences, Nanjing University, China
  • 14Department of Geography, Ludwig-Maximilian-University Munich, Germany
  • 15Institute of Space and Earth Information Science, Chinese University of Hong Kong, China
  • 16Remote Sensing Technology Institute (IMF), German Aerospace Center (DLR), Germany
  • 17Institute of Tibetan Plateau Research, Chinese Academy of Sciences, China
  • 18University of Twente, ITC, Netherlands

Keywords: Terrestrial Water Cycle; Multi Sensor Data Products; Glaciers; Water Resources; High Elevation Climate

Abstract. Ten Dragon 3 projects deal with hydrologic and cryosphere processes, with a focus on the Himalayas and Qinghai – Tibet Plateau, but not limited to that. At the 1st Dragon 3 Progress Symposium in 2013 a significant potential for a better and deeper integration appeared very clearly and we worked out an overview of the ten projects identifying specific issues and objectives shared by at least two projects. At the Mid Term Symposium in 2014 a joint session was held over two days. As regards cryospheric processes science highlights covered: Glacier flow velocity by optical and SAR features tracking and InSAR; Patterns in space and time of glacier flow velocity; Mass change estimated with DTM-s and altimetry; Reflectance and LST used to classify glacier surface and understand surface processes, Inventory and changes in the number and area of lakes in the Qinghai – Tibet Plateau 1970, 1990, 2000 and 2010; Deformation of permafrost along the Qinghai – Tibet railway.

Highlights on hydrologic processes included: Global comparison of SMOS, ASCAT and ERA soil moisture data products; Relative deviations evaluated by climate zone; Soil moisture data products improved with ancillary data; Assimilation of FY - , TRMM and GPM precipitation data products in WRF; Improved algorithm and data products on fractional snow cover; Improvement of MODIS ET with assimilation of LST; TRMM data products evaluated in the Yangtze; Calibration of river basin models using LST; System to calibrate, correct and normalize (spatial, spectral) data collected by imaging spectral radiometers; Integration of data acquired by different sensors, e.g. ET Monitor with optical and microwave (SMOS, FY – 3) data; Hydrological data products used both for forcing and evaluation of Qinghai – Tibet Plateau hydrological model; Wetlands vulnerability assessed through changes in land cover 1987 – 2013; Multi incidence angle and multi – temporal SAR to monitor water extent. In the general session a proposal for a Dragon Water Cycle Initiative was presented.