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Deriving River discharges from GRACE/GRACE-FO total water storage anomalies

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Storage:	The size of this resource is 112.3 MB
Created:	Jan 13, 2023 at 6:12 p.m.
Last updated:	Jan 31, 2023 at 9:15 p.m.
Citation:	See how to cite this resource

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Abstract

This repository contains the data used in the paper "Deriving River discharges from GRACE/GRACE-FO total water storage anomalies".

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

North Latitude

49.3555°

East Longitude

-63.3691°

South Latitude

24.4896°

West Longitude

-129.4629°

Content

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readme.txt

The Description of each file uploaded is as follows. Please refer to the preprint to know more about how the data was generated.

Models_optimised.csv
Description
The table contains the optimized model parameters for USGS Gauges under study. The unit of alpha is cm/month, beta is cm-1.
The columns are as follows:
-	GAUGEID: USGS Gauge Identifier Number
-	Alpha, Beta – Model Parameters (of 2 parameter models selected)
-	Num_months_excluded  - Number of months excluded during the training period
-	Lag -  Lag applied on the Q-TWSA data pairs during the training period.

Predictions.csv
Description
Table with gauge ID and Simulated Q’s over time. The column names represent the date corresponding to the predicted discharge starting from 2002-04-17, which is the date from which the GRACE TWSA data is available. The unit of the estimated discharge is cm/month.

GRACE_TWSA_data.csv
Description
Table with gauge ID and TWSA over time. The table has area-averaged TWSA values with unit of 'cm'. The column names represent the date corresponding to the observations starting from 2002-04-17, which is the date from which the GRACE TWSA data is available. 

Rivers_network Folder
Description
This folder has the shapefile of the river network used (MERIT-Hydro, level 2).

USGS_Gauges Folder
Description
The gauges used in the study for which USGS data was obtained from USGS NWIS.

Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
NASA GRACE Science

How to Cite

Duvvuri, B., E. Beighley (2023). Deriving River discharges from GRACE/GRACE-FO total water storage anomalies, HydroShare, http://www.hydroshare.org/resource/af160388632a46b784f7fab13a05bc39

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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