Publications

This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.

Search for Publication


Year(s) from:  to 
Author:
Keywords (separated by spaces):

Precision snow cover and glacier mapping for runoff modelling in a high alpine basin

J. Schaper, K. Seidel and J. Martinec
Remote Sensing and Hydrology Symposium, International Association of Hydrological Sciences (IAHS Publ. no. 267)
Vol. 267, pp. 105-111, April 2000

Abstract

The runoff regime of high alpine basins will be affected in response to global warming not only by the seasonal snow cover but also by glaciers. Runoff peaks due to snowmelt will partially be shifted from the summer to the winter. The glacier melt will supply a higher amount of meltwater until glaciers finally disappear, if the temperature keeps rising. In order to evaluate quantitatively this effect, a method is presented to map separately the snow cover area, the gradually decreasing snow coverage on the glacier and the area of the exposed ice. The test basin Rhone-Sion (3371 km^2, 491 - 4634 m a.s.l.) has been divided into 7 elevation zones in view of the large altitude range. The periodical satellite monitoring of snow and ice areas was carried out separately for each zone with high resolution optical remote sensing data which provide the capability to distinguish between snow and ice. The paper demonstrates the necessity of accurate glacier and snow cover mapping by adequate satellite sensors in order to predict snow and glacier conditions as well as the changing runoff regime in high alpine basins in the 21 century.


Download in pdf format
@Article{eth_biwi_00343,
  author = {J. Schaper and K. Seidel and J. Martinec},
  title = {Precision snow cover and glacier mapping for runoff modelling in a high alpine basin},
  journal = {Remote Sensing and Hydrology Symposium, International Association of Hydrological Sciences (IAHS Publ. no. 267)},
  year = {2000},
  month = {April},
  pages = {105-111},
  volume = {267},
  number = {},
  keywords = {remote sensing, hydrology, SRM, runoff modeling}
}