Related by context. Frequent words. (Click for all words.) 62 transpiration 59 soil moisture 57 evaporation 57 albedo 54 salinity 54 streamflow 52 atmospheric CO2 52 atmospheric carbon dioxide 51 hydrological 51 photosynthesis 50 soil fertility 50 irrigated 49 photosynthetic 49 groundwater pumping 49 percolation 49 rainfall 48 reflectance 48 crop yields 48 sedimentation 48 precipitation 47 chlorophyll 47 water vapor 47 hydrologic 47 climatological 47 alkalinity 46 nitrogen 46 carbon sequestration 46 Vegetation 46 vegetation 46 biophysical 46 soils 45 snowmelt 45 Precipitation 45 irrigate 45 moisture 45 tillage 45 impervious surfaces 45 soil erosion 45 hydrology 45 groundwater 45 impervious surface 45 arid regions 44 irrigation 44 corn stover 44 troposphere 44 fertilization 44 cropland 44 biodiversity 43 nutrient 43 carbon sinks 43 fluxes 43 underground aquifers 43 respiration 43 absorb carbon dioxide 43 electrical conductivity 42 conductivity 42 drip irrigation 42 glaciers 42 crop residue 42 germination 42 mountain snowpack 42 biochar 42 mountain glaciers 42 carbon dioxide 42 greenhouse gas concentrations 42 greenhouse warming 42 dissolved oxygen 42 aeration 42 Snowpack 42 extinctions 42 aquifer 42 hydrologists 42 atmospheric 41 pollination 41 soil pH 41 reflectivity 41 Little Ice Age 41 journal Geophysical Research 41 CO2 41 irrigates 41 relative humidity 41 dynamical 41 turbidity 41 croplands 41 remote sensing 41 perturbation 41 wetness 41 meltwater 41 Carbon Dioxide 41 snowpack 41 defoliation 41 regrowth 41 aquifers 41 nitrogen fertilizers 41 compaction 41 adsorption 41 oxygenation 41 phytoplankton 40 ozone 40 nutrients 40 volcanism