Layer: SAGBI_mod (ID: 0)

Name: SAGBI_mod

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Description: <DIV STYLE="text-align:Left;"><DIV><DIV>Groundwater pumping chronically exceeds natural recharge in many agricultural regions in California.A common method of recharging groundwater — when surface water is available — is to deliberatelyflood an open area, allowing water to percolate into an aquifer. However, open land suitable for thistype of recharge is scarce. Flooding agricultural land during fallow or dormant periods has the potentialto increase groundwater recharge substantially, but this approach has not been well studied. Using dataon soils, topography and crop type, we developed a spatially explicit index of the suitability forgroundwater recharge of land in all agricultural regions in California.Date: 2015Point of Contact:Toby O’GeenProfessor & Soil Resource Specialist in Cooperative ExtensionDept. of Land, Air and Water Resources, UC Davisatogeen@ucdavis.edu530-752-2155Field Definitions:areasymbol – symbol representing the SSURGO survey areaspatialver – number used to denote the serial version of the SSURGO spatial data for a soil surveymusym – symbol used to identify the soil map unit in the SSURGO soil surveymukey – string used to uniquely identify the SSURGO map unitmukey_num – same as mukey field, but in numeric formatacres – area in acres of the mapped polygonmukey_1 – duplicate of mukey fieldcokey – string used to identify the dominant component of the SSURGO map unitdeep_perc – suitability score (0-100) for the deep percolation SAGBI factorrt_zn_res_ – suitability score (0-100) for the root zone residence time SAGBI factortoxicity – suitability score (0-100) for the toxicity SAGBI factortopo_rest – suitability score (0-100) for the topographic restrictions SAGBI factorsurf_cond – suitability score (0-100) for the surface condition SAGBI factorrestrictns – description of the dominant component’s restrictive layerssagbi – overall SAGBI suitability score (0-100)rat_grp – rating group associated with the SAGBI scoreslope_l – slope gradient (low value) of the dominant componentslope_h – slope gradient (high value) of the dominant componentcompname – name of the dominant soil componenttaxsubgrp – the taxonomic subgroup of the dominant componentSuggested Symbology:SAGBI Score Rating Group RGB values85 – 100 Excellent 38, 115, 069 - 85 Good 152, 230, 049 - 69 Moderately Good 255, 255, 029 - 49 Moderately Poor 255, 170, 015 - 29 Poor 255, 85, 00 - 15 Very Poor 168, 0, 0</DIV></DIV></DIV>

Service Item Id: 29114d63214c4c98b5fb0a8869cee114

Copyright Text: O'Geen A, Saal M, Dahlke H, Doll D, Elkins R, Fulton A, Fogg G, Harter T, Hopmans J, Ingels C, Niederholzer F, Sandoval Solis S, Verdegaal P, Walkinshaw M. 2015. Soil suitability index identifies potential areas for groundwater banking on agricultural lands. Calif Agr 69(2):75-84. Available online at http://calag.ucanr.edu/archive/?article=ca.v069n02p75

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Class Maximum Value: 15
Label: Very Poor
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OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
areasymbol ( type: esriFieldTypeString, alias: areasymbol, length: 20 )
spatialver ( type: esriFieldTypeInteger, alias: spatialver )
musym ( type: esriFieldTypeString, alias: musym, length: 6 )
mukey ( type: esriFieldTypeString, alias: mukey, length: 30 )
mukey_num ( type: esriFieldTypeInteger, alias: mukey_num )
acres ( type: esriFieldTypeSingle, alias: acres )
mukey_1 ( type: esriFieldTypeInteger, alias: mukey_1 )
cokey ( type: esriFieldTypeInteger, alias: cokey )
deep_perc ( type: esriFieldTypeDouble, alias: deep_perc )
rt_zn_res_ ( type: esriFieldTypeDouble, alias: rt_zn_res_ )
toxicity ( type: esriFieldTypeString, alias: toxicity, length: 254 )
topo_rest ( type: esriFieldTypeInteger, alias: topo_rest )
surf_cond ( type: esriFieldTypeString, alias: surf_cond, length: 254 )
restrictns ( type: esriFieldTypeString, alias: restrictns, length: 254 )
sagbi ( type: esriFieldTypeDouble, alias: sagbi )
rat_grp ( type: esriFieldTypeString, alias: rat_grp, length: 254 )
slope_l ( type: esriFieldTypeInteger, alias: slope_l )
slope_h ( type: esriFieldTypeInteger, alias: slope_h )
compname ( type: esriFieldTypeString, alias: compname, length: 254 )
taxsubgrp ( type: esriFieldTypeString, alias: taxsubgrp, length: 254 )
Shape ( type: esriFieldTypeGeometry, alias: Shape )
Shape.STArea() ( type: esriFieldTypeDouble, alias: Shape.STArea() )
Shape.STLength() ( type: esriFieldTypeDouble, alias: Shape.STLength() )

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