Capability of the variogram to quantify the spatial patterns of surface fluxes and soil moisture simulated by land surface models
نویسندگان
چکیده
Up to now, relatively little effort has been dedicated the quantitative assessment of differences in spatial patterns model outputs. In this paper, we employed a variogram-based methodology quantify root-zone soil moisture, net radiation, and latent sensible heat fluxes simulated by three land surface models (SURFEX/ISBA, JULES CHTESSEL) over European geographic domains – namely, UK, France Spain. The output were quantified through two metrics derived from variogram: i) variogram sill, which quantifies degree variability data; ii) integral range, represents length scale data. higher seasonal variation Spain, compared is related more frequent occurrence soil-moisture-limited evapotranspiration regime during summer dry spells south small radiation between indicate that are mostly driven climate forcing data set. However, exhibit larger flux variabilities, their vegetation ancillary datasets physical process representation. highest discrepancies observed for mainly type hydraulic function implemented models. This work demonstrates capability enhance our understanding spatiotemporal structure uncertainties Therefore, strongly encourage implementation intercomparison exercises.
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ژورنال
عنوان ژورنال: Progress in Physical Geography
سال: 2021
ISSN: ['0309-1333', '1477-0296']
DOI: https://doi.org/10.1177/0309133320986147