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The European Space Agency's Climate Change Initiative (CCI) soil moisture (or Essential Climate Variable soil moisture) long-term database was used to assess the agricultural drought evolution. With this aim, the Soil Water Deficit Index (SWDI) was calculated with the CCI soil moisture product over the agricultural area of the Zamora province (Spain) from 1978 to 2014. The SWDI was compared with other...
A comparison analysis was made between the SWDI (Soil Water Deficit Index) calculated with in situ and SMOS (Soil Moisture and Ocean Salinity satellite) soil moisture series (June-2010 to December-2014), over an agricultural area in Spain. Additionally, both SWDI have been compared with two well-known agricultural drought indices, the CMI (Crop Moisture Index) and the AWD (Atmospheric Water Deficit...
A comprehensive spatial and temporal validation of long-term dataset of SMOS (Soil Moisture and Ocean Salinity) and Aquarius-derived soil moisture estimates was made using two in situ networks (REMEDHUS and Inforiego) within the Duero River Basin (Spain). Results from comparison with in situ show that the SMOS L2 product has better accuracy (with values of R>0.8 and cRMSD<0.04 m3m−3) than Aquarius...
This paper presents the soil moisture and ocean salinity maps from the SMOS mission generated operationally by the Spanish SMOS Level 3 and 4 data processing center (CP34) and experimentally by the SMOS Barcelona Expert Center (SMOS-BEC).
Soil roughness parameters have been traditionally retrieved using altimetric profiles acquired from profilometer devices. Measuring soil roughness using the technology called Terrestrial Laser Scanner (TLS) is an innovative method because of it is possible to get a three-dimensional surface more realistic than previous approaches. This paper shows a comparison between both techniques for different...
The intrinsic vulnerability of groundwater in the Comunidad de Madrid (central Spain) was evaluated using the DRASTIC and GOD indexes. Groundwater vulnerability to nitrate pollution was also assessed using the composite DRASTIC (CD) and nitrate vulnerability (NV) indexes. The utility of these methods was tested by analyzing the spatial distribution of nitrate concentrations in the different aquifers...
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