Scaling, soil moisture and evapotranspiration in runoff models
- Wood, Eric F.
- JAN 1, 1993.
- Physical Description:
- 1 electronic document
- Restrictions on Access:
- Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
- The effects of small-scale heterogeneity in land surface characteristics on the large-scale fluxes of water and energy in the land-atmosphere system has become a central focus of many of the climatology research experiments. The acquisition of high resolution land surface data through remote sensing and intensive land-climatology field experiments (like HAPEX and FIFE) has provided data to investigate the interactions between microscale land-atmosphere interactions and macroscale models. One essential research question is how to account for the small scale heterogeneities and whether 'effective' parameters can be used in the macroscale models. To address this question of scaling, the probability distribution for evaporation is derived which illustrates the conditions for which scaling should work. A correction algorithm that may appropriate for the land parameterization of a GCM is derived using a 2nd order linearization scheme. The performance of the algorithm is evaluated.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 19940011561.
Accession ID: 94N16034.
Research into the Influence of Spatial Variability and Scale on the Parameterization of Hydrological Processes; 30 p.
- No Copyright.
View MARC record | catkey: 15662615