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000827220 1001_ $$0P:(DE-HGF)0$$aColliander, A.$$b0$$eCorresponding author
000827220 245__ $$aValidation of SMAP surface soil moisture products with core validation sites
000827220 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2017
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000827220 520__ $$aThe NASA Soil Moisture Active Passive (SMAP) mission has utilized a set of core validation sites as the primary methodology in assessing the soil moisture retrieval algorithm performance. Those sites provide well-calibrated in situ soil moisture measurements within SMAP product grid pixels for diverse conditions and locations. The estimation of the average soil moisture within the SMAP product grid pixels based on in situ measurements is more reliable when location specific calibration of the sensors has been performed and there is adequate replication over the spatial domain, with an up-scaling function based on analysis using independent estimates of the soil moisture distribution. SMAP fulfilled these requirements through a collaborative Cal/Val Partner program. This paper presents the results from 34 candidate core validation sites for the first eleven months of the SMAP mission. As a result of the screening of the sites prior to the availability of SMAP data, out of the 34 candidate sites 18 sites fulfilled all the requirements at one of the resolution scales (at least). The rest of the sites are used as secondary information in algorithm evaluation. The results indicate that the SMAP radiometer-based soil moisture data product meets its expected performance of 0.04 m3/m3 volumetric soil moisture (unbiased root mean square error); the combined radar-radiometer product is close to its expected performance of 0.04 m3/m3, and the radar-based product meets its target accuracy of 0.06 m3/m3 (the lengths of the combined and radar-based products are truncated to about 10 weeks because of the SMAP radar failure). Upon completing the intensive Cal/Val phase of the mission the SMAP project will continue to enhance the products in the primary and extended geographic domains, in co-operation with the Cal/Val Partners, by continuing the comparisons over the existing core validation sites and inclusion of candidate sites that can address shortcomings
000827220 536__ $$0G:(DE-HGF)POF3-255$$a255 - Terrestrial Systems: From Observation to Prediction (POF3-255)$$cPOF3-255$$fPOF III$$x0
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000827220 7001_ $$0P:(DE-HGF)0$$aJackson, T. J.$$b1
000827220 7001_ $$0P:(DE-HGF)0$$aBindlish, R.$$b2
000827220 7001_ $$0P:(DE-HGF)0$$aChan, S.$$b3
000827220 7001_ $$0P:(DE-HGF)0$$aDas, N.$$b4
000827220 7001_ $$0P:(DE-HGF)0$$aKim, S. B.$$b5
000827220 7001_ $$0P:(DE-HGF)0$$aCosh, M. H.$$b6
000827220 7001_ $$0P:(DE-HGF)0$$aDunbar, R. S.$$b7
000827220 7001_ $$0P:(DE-HGF)0$$aDang, L.$$b8
000827220 7001_ $$0P:(DE-HGF)0$$aPashaian, L.$$b9
000827220 7001_ $$0P:(DE-HGF)0$$aAsanuma, J.$$b10
000827220 7001_ $$0P:(DE-HGF)0$$aAida, K.$$b11
000827220 7001_ $$0P:(DE-HGF)0$$aBerg, A.$$b12
000827220 7001_ $$0P:(DE-HGF)0$$aRowlandson, T.$$b13
000827220 7001_ $$0P:(DE-HGF)0$$aBosch, D.$$b14
000827220 7001_ $$0P:(DE-HGF)0$$aCaldwell, T.$$b15
000827220 7001_ $$0P:(DE-HGF)0$$aCaylor, K.$$b16
000827220 7001_ $$0P:(DE-HGF)0$$aGoodrich, D.$$b17
000827220 7001_ $$0P:(DE-HGF)0$$aal Jassar, H.$$b18
000827220 7001_ $$0P:(DE-HGF)0$$aLopez-Baeza, E.$$b19
000827220 7001_ $$0P:(DE-HGF)0$$aMartínez-Fernández, J.$$b20
000827220 7001_ $$0P:(DE-HGF)0$$aGonzález-Zamora, A.$$b21
000827220 7001_ $$0P:(DE-HGF)0$$aLivingston, S.$$b22
000827220 7001_ $$0P:(DE-HGF)0$$aMcNairn, H.$$b23
000827220 7001_ $$0P:(DE-HGF)0$$aPacheco, A.$$b24
000827220 7001_ $$0P:(DE-HGF)0$$aMoghaddam, M.$$b25
000827220 7001_ $$0P:(DE-Juel1)129506$$aMontzka, C.$$b26
000827220 7001_ $$0P:(DE-HGF)0$$aNotarnicola, C.$$b27
000827220 7001_ $$0P:(DE-HGF)0$$aNiedrist, G.$$b28
000827220 7001_ $$0P:(DE-HGF)0$$aPellarin, T.$$b29
000827220 7001_ $$0P:(DE-HGF)0$$aPrueger, J.$$b30
000827220 7001_ $$0P:(DE-HGF)0$$aPulliainen, J.$$b31
000827220 7001_ $$0P:(DE-HGF)0$$aRautiainen, K.$$b32
000827220 7001_ $$0P:(DE-HGF)0$$aRamos, J.$$b33
000827220 7001_ $$0P:(DE-HGF)0$$aSeyfried, M.$$b34
000827220 7001_ $$0P:(DE-HGF)0$$aStarks, P.$$b35
000827220 7001_ $$0P:(DE-HGF)0$$aSu, Z.$$b36
000827220 7001_ $$0P:(DE-HGF)0$$aZeng, Y.$$b37
000827220 7001_ $$0P:(DE-HGF)0$$avan der Velde, R.$$b38
000827220 7001_ $$0P:(DE-HGF)0$$aThibeault, M.$$b39
000827220 7001_ $$0P:(DE-HGF)0$$aDorigo, W.$$b40
000827220 7001_ $$0P:(DE-HGF)0$$aVreugdenhil, M.$$b41
000827220 7001_ $$0P:(DE-HGF)0$$aWalker, J. P.$$b42
000827220 7001_ $$0P:(DE-HGF)0$$aWu, X.$$b43
000827220 7001_ $$0P:(DE-HGF)0$$aMonerris, A.$$b44
000827220 7001_ $$0P:(DE-HGF)0$$aO'Neill, P. E.$$b45
000827220 7001_ $$0P:(DE-HGF)0$$aEntekhabi, D.$$b46
000827220 7001_ $$0P:(DE-HGF)0$$aNjoku, E. G.$$b47
000827220 7001_ $$0P:(DE-HGF)0$$aYueh, S.$$b48
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