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contributor authorBouttier, F.
contributor authorMahfouf, J-F.
contributor authorNoilhan, J.
date accessioned2017-06-09T14:04:31Z
date available2017-06-09T14:04:31Z
date copyright1993/08/01
date issued1993
identifier issn0894-8763
identifier otherams-11948.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4147232
description abstractThis paper and its companion report on the development of a sequential assimilation technique based upon optimum interpolation in order to initialize soil moisture in atmospheric models. A previous study by Mahfouf has demonstrated that it is possible to estimate soil moisture from the evolution of atmospheric temperature and relative humidity near the surface. The main purpose of this paper is to examine more precisely the dependence of atmospheric low-level parameters upon soil moisture and how this dependence is affected by various factors (soil characteristics, vegetation type, low-level wind). The sensitivity of atmospheric parameters to soil moisture is expressed as the statistical quantities of the optimal interpolation. The importance of observation errors, which define the relevance of the atmospheric parameters for the assimilation procedure, is also investigated. An analytical formulation of the optimal interpolation coefficients is proposed. Finally, the usefulness and limitations of this work for soil moisture analysis in three-dimensional models are discussed.
publisherAmerican Meteorological Society
titleSequential Assimilation of Soil Moisture from Atmospheric Low-Level Parameters. Part I: Sensitivity and Calibration Studies
typeJournal Paper
journal volume32
journal issue8
journal titleJournal of Applied Meteorology
identifier doi10.1175/1520-0450(1993)032<1335:SAOSMF>2.0.CO;2
journal fristpage1335
journal lastpage1351
treeJournal of Applied Meteorology:;1993:;volume( 032 ):;issue: 008
contenttypeFulltext


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