RIPGIS-NET

A GIS tool for Riparian Groundwater Evapotranspiration in MODFLOW

Hoori Ajami, Thomas Maddock, Thomas Meixner, James F. Hogan, Phillip Guertin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

RIPGIS-NET, an Environmental System Research Institute (ESRI's) ArcGIS 9.2/9.3 custom application, was developed to derive parameters and visualize results of spatially explicit riparian groundwater evapotranspiration (ETg), evapotranspiration from saturated zone, in groundwater flow models for ecohydrology, riparian ecosystem management, and stream restoration. Specifically RIPGIS-NET works with riparian evapotranspiration (RIP-ET), a modeling package that works with the MODFLOW groundwater flow model. RIP-ET improves ETg simulations by using a set of eco-physiologically based ETg curves for plant functional subgroups (PFSGs), and separates ground evaporation and plant transpiration processes from the water table. The RIPGIS-NET program was developed in Visual Basic 2005, NET framework 2.0, and runs in ArcMap 9.2 and 9.3 applications. RIPGIS-NET, a pre- and post-processor for RIP-ET, incorporates spatial variability of riparian vegetation and land surface elevation into ETg estimation in MODFLOW groundwater models. RIPGIS-NET derives RIP-ET input parameters including PFSG evapotranspiration curve parameters, fractional coverage areas of each PFSG in a MODFLOW cell, and average surface elevation per riparian vegetation polygon using a digital elevation model. RIPGIS-NET also provides visualization tools for modelers to create head maps, depth to water table (DTWT) maps, and plot DTWT for a PFSG in a polygon in the Geographic Information System based on MODFLOW simulation results.

Original languageEnglish (US)
Pages (from-to)154-158
Number of pages5
JournalGround Water
Volume50
Issue number1
DOIs
StatePublished - Jan 2012

Fingerprint

Evapotranspiration
Geographic information systems
evapotranspiration
Groundwater
GIS
groundwater
water table
Groundwater flow
riparian vegetation
polygon
groundwater flow
ecohydrology
Water
Transpiration
phreatic zone
ecosystem management
transpiration
Ecosystems
Restoration
digital elevation model

ASJC Scopus subject areas

  • Water Science and Technology
  • Computers in Earth Sciences

Cite this

RIPGIS-NET : A GIS tool for Riparian Groundwater Evapotranspiration in MODFLOW. / Ajami, Hoori; Maddock, Thomas; Meixner, Thomas; Hogan, James F.; Guertin, Phillip.

In: Ground Water, Vol. 50, No. 1, 01.2012, p. 154-158.

Research output: Contribution to journalArticle

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