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Service Description: This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between two specified years, by season. Contours represent change in groundwater level (elevation) by year and season (fall or spring). The contour interval is 10 ft. The contours represent lines of equal change in groundwater level surface. Positive values indicate groundwater has risen (groundwater surface elevation has increased) from the early year to the late year, while negative values indicate groundwater level surface has fallen (decreased in elevation ) from the early year to the late year.Water level measurements used for contouring are selected based on measurement date and well construction information, where available, and approximate groundwater levels in the unconfined to uppermost semi-confined aquifers. For more information on this service, please contact: gis@water.ca.gov
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MaxRecordCount: 2000
Supported Query Formats: JSON
Supports Query Data Elements: true
Layers:
Description: This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between two specified years, by season. Contours represent change in groundwater level (elevation) by year and season (fall or spring). The contour interval is 10 ft. The contours represent lines of equal change in groundwater level surface. Positive values indicate groundwater has risen (groundwater surface elevation has increased) from the early year to the late year, while negative values indicate groundwater level surface has fallen (decreased in elevation ) from the early year to the late year.Water level measurements used for contouring are selected based on measurement date and well construction information, where available, and approximate groundwater levels in the unconfined to uppermost semi-confined aquifers.
For more information on this service, please contact: gis@water.ca.gov
Copyright Text: California Department of Water Resources
Spatial Reference:
102100
(3857)
Initial Extent:
XMin: -1.349453106883941E7
YMin: 4390500.001334084
XMax: -1.337493746440371E7
YMax: 4516493.263532231
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.3650851548999999E7
YMin: 4151829.9821999967
XMax: -1.32004693132E7
YMax: 4964898.580700003
Spatial Reference: 102100
(3857)
Units: esriMeters
Document Info:
Title: i08_GroundwaterLevelChange_Contours
Author:
Comments: This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between two specified years, by season. Contours represent change in groundwater level (elevation) by year and season (fall or spring). The contour interval is 10 ft. The contours represent lines of equal change in groundwater level surface. Positive values indicate groundwater has risen (groundwater surface elevation has increased) from the early year to the late year, while negative values indicate groundwater level surface has fallen (decreased in elevation ) from the early year to the late year.Water level measurements used for contouring are selected based on measurement date and well construction information, where available, and approximate groundwater levels in the unconfined to uppermost semi-confined aquifers.
For more information on this service, please contact: gis@water.ca.gov
Subject: Contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between selected years.
Category:
Keywords: Groundwater,Groundwater level,Hydrogeology,Aquifer,California,Water Resources,DWR GIS Atlas
AntialiasingMode: null
TextAntialiasingMode: null
Enable Z Defaults: false
Supports ApplyEdits With Global Ids: false
Support True Curves : true
Only Allow TrueCurve Updates By TrueCurveClients : true
Supports Return Service Edits Option : true
Supports Dynamic Layers: false
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Supported Operations:
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Extract Changes