Table 5 Description and sources of data in the MODFLOW-NWT.

From: Evaluation of coupled SWAT-MODFLOW-NWT model for conjunctive use of surface water and groundwater resources in the Mahabad plain of Iran

Data type

Properties and resolution

Source

DEM

SRTM, 30 m

Shuttle Radar Topography Mission (SRTM)

https://earthexplorer.usgs.gov/

Observation wells/gauges

22 piezometer wells:

Monthly Water Table Records, 2009–2018

Hydrometric Station: Monthly Stream flow Records, 2009–2018

https://www.ulrp.ir/en/; Ministry of Energy

Pumping wells

Pumping Rate:

12.9 MCM (2313 pumping wells) in 2009 to 55.20 MCM (3426 pumping wells) in 2018

https://www.ulrp.ir/en/ ; Ministry of Energy

Bedrock properties

Bedrock: The Logs of 94 Wells, The Thickness of The Bedrock is about 16–60 Meters

Hydraulic Conductivity (K): 2.5–13 m/day

Specific Storage (Sy): 0.4 – 3.6%

Ministry of Energy, Water Consulting Engineers and Sustainable Development75; Valizadegan and Yazdanpanah85

Boundary conditions

Constant Head: General Head Boundary (GHB package) and Time-Variant Specified Heads (CHD-package)

Rivers: 2009–2018, RIV package

Recharge: 17 to 363 mm on average, 2009–2018, RCH package

SWAT model; Ministry of Energy

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