Structure-aligned guidance estimation in surface parameterization using eigenfunction-based cross field

2014 ◽  
Vol 76 (6) ◽  
pp. 691-705 ◽  
Author(s):  
Tao Liao ◽  
Guoliang Xu ◽  
Yongjie Jessica Zhang
Keyword(s):  
Surface Parameterization

scholarly journals A framework for quantifying hydrologic effects of soil structure across scales

2021 ◽  
Vol 2 (1) ◽  
Author(s):  
Sara Bonetti ◽  
Zhongwang Wei ◽  
Dani Or
Keyword(s):  
Soil Texture ◽  
Land Surface ◽  
Soil Structure ◽  
Pedotransfer Functions ◽  
Small Scale ◽  
Spatial Correlations ◽  
Surface Parameterization ◽  
Exchange Processes ◽  
Local Soil ◽  
Spatially Distributed

AbstractEarth system models use soil information to parameterize hard-to-measure soil hydraulic properties based on pedotransfer functions. However, current parameterizations rely on sample-scale information which often does not account for biologically-promoted soil structure and heterogeneities in natural landscapes, which may significantly alter infiltration-runoff and other exchange processes at larger scales. Here we propose a systematic framework to incorporate soil structure corrections into pedotransfer functions, informed by remote-sensing vegetation metrics and local soil texture, and use numerical simulations to investigate their effects on spatially distributed and areal averaged infiltration-runoff partitioning. We demonstrate that small scale soil structure features prominently alter the hydrologic response emerging at larger scales and that upscaled parameterizations must consider spatial correlations between vegetation and soil texture. The proposed framework allows the incorporation of hydrological effects of soil structure with appropriate scale considerations into contemporary pedotransfer functions used for land surface parameterization.

scholarly journals Cabauw Experimental Results from the Project for Intercomparison of Land-Surface Parameterization Schemes

1997 ◽  
Vol 10 (6) ◽  
pp. 1194-1215 ◽  
Author(s):  
T. H. Chen ◽  
A. Henderson-Sellers ◽  
P. C. D. Milly ◽  
A. J. Pitman ◽  
A. C. M. Beljaars ◽  
...  
Keyword(s):  
Land Surface ◽  
Experimental Results ◽  
Surface Parameterization ◽  
Parameterization Schemes

scholarly journals An application of a large scale conceptual hydrological model over the Elbe region

1999 ◽  
Vol 3 (3) ◽  
pp. 363-374 ◽  
Author(s):  
M. Lobmeyr ◽  
D. Lohmann ◽  
C. Ruhe
Keyword(s):  
Land Surface ◽  
Large Scale ◽  
Sunshine Duration ◽  
Regional Scale ◽  
Scale Model ◽  
Surface Parameterization ◽  
Extreme Flood ◽  
Daily Sunshine ◽  
Surface Scheme ◽  
The Baltic

Abstract. This paper investigates the ability of the VIC-2L model coupled to a routing model to reproduce streamflow in the catchment of the lower Elbe River, Germany. The VIC-2L model, a hydrologically-based land surface scheme (LSS) which has been tested extensively in the Project for Intercomparison of Land-surface Parameterization Schemes (PILPS), is put up on the rotated grid of 1/6 degree of the atmospheric regional scale model (REMO) used in the Baltic Sea Experiment (BALTEX). For a 10 year period, the VIC-2L model is forced in daily time steps with measured daily means of precipitation, air temperature, pressure, wind speed, air humidity and daily sunshine duration. VIC-2L model output of surface runoff and baseflow is used as input for the routing model, which transforms modelled runoff into streamflow, which is compared to measured streamflow at selected gauge stations. The water balance of the basin is investigated and the model results on daily, monthly and annual time scales are discussed. Discrepancies appear in time periods where snow and ice processes are important. Extreme flood events are analyzed in more dital. The influence of calibration with respect to runoff is examined.

Content-aware surface parameterization for interactive restoration of historical documents

2014 ◽  
Vol 33 (2) ◽  
pp. 401-409 ◽  
Author(s):  
Kazim Pal ◽  
Christian Schüller ◽  
Daniele Panozzo ◽  
Olga Sorkine-Hornung ◽  
Tim Weyrich
Keyword(s):  
Historical Documents ◽  
Surface Parameterization ◽  
Content Aware
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