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Horan, R.; Keller, V.D.J.; Wable, P.S.; Baron, H.E.; Houghton-Carr, H.A.; Rees, H.G.

Simulated streamflow, demands and aquifer levels in the Cauvery Basin, India, 1986-2080 using the Global Water Availability Assessment Model (GWAVA)

https://doi.org/10.5285/522309f8-59b1-4982-85df-cb3171c2a062

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This dataset is available under the terms of the Open Government Licence

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The data resource contains daily time-series of simulated streamflow, ground water levels and estimated demands, from humans, livestock, irrigation and industry, across the Cauvery Basin, India. The data were generated using the Global Water Availability Assessment (GWAVA) Model 5. A baseline of 1986-2005 is presented along with two future time slices (2041-2060 and 2061-2080) for these variables. The data were produced to help predict how rapid economic development and population growth in the region would impact on future water security. The data resource was produced by the data authors.

The research was funded by NERC research grant NE/N016491/1 Upscaling Catchment Processes for Sustainable Water Management in Peninsular India

Publication date: 2021-06-23

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View numbers valid from 01 June 2023 Download numbers valid from 20 June 2024 (information prior to this was not collected)

Format

Comma-separated values (CSV)

Spatial information

Study area

Spatial representation type

Tabular (text)

Spatial reference system

WGS 84

Temporal information

Temporal extent

1986-06-01 to 2080-06-01

Provenance & quality

The model was calibrated at 14 gauging stations across the basin against available observed streamflow using the SIMPLEX auto-calibration routine. This routine utilises four parameters (a surface and groundwater routing parameter, a probability distribution model (PDM) parameter that describes spatial variation in soil moisture capacity and a multiplier to adjust rooting depths). The model was then validated across the same 14 gauging stations (over a different time period to the calibration) and 200 groundwater observational wells.

Licensing and constraints

This dataset is available under the terms of the Open Government Licence

Cite this dataset as:

Horan, R.; Keller, V.D.J.; Wable, P.S.; Baron, H.E.; Houghton-Carr, H.A.; Rees, H.G. (2021). Simulated streamflow, demands and aquifer levels in the Cauvery Basin, India, 1986-2080 using the Global Water Availability Assessment Model (GWAVA) . NERC Environmental Information Data Centre. https://doi.org/10.5285/522309f8-59b1-4982-85df-cb3171c2a062

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Citations

Horan, R., Rickards, N. J., Kaelin, A., Baron, H. E., Thomas, T., Keller, V. D. J., Mishra, P. K., Nema, M. K., Muddu, S., Garg, K. K., Pathak, R., Houghton-Carr, H. A., Dixon, H., Jain, S. K., & Rees, G. (2021). Extending a Large-Scale Model to Better Represent Water Resources without Increasing the Model’s Complexity. In Water (Vol. 13, Issue 21, p. 3067). MDPI AG. https://doi.org/10.3390/w13213067