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Jupyter Notebooks for the Retrieval of AORC Data for Hydrologic Analysis
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Type: Resource
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Created: Mar 18, 2024 at 7:24 p.m.
Last updated: Oct 10, 2024 at 5:56 p.m.
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Content types: Geographic Feature Content 
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Abstract

This HydroShare resource provides Jupyter Notebooks with instructions and code for accessing and subsetting the NOAA Analysis of Record for Calibration (AORC) Dataset. There are two Jupyter Notebooks
1. AORC_Point_Data_Retrieval.ipynb
2. AORC_Zone_Data_Retrieval.ipynb
The first retrieves data for a point in the area of the US covered, specified using geographic coordinates. The second retrieves data for areas specified via an uploaded polygon shapefile.
These notebooks programmatically retrieve the data from Amazon Web Services (https://registry.opendata.aws/noaa-nws-aorc/) and in the case of shapefile data retrieval average the data over the shapes in the given shapefile.
The notebooks provided are coded to retrieve data from AORC version 1.1 released in ZARR format in December 2023.
The Analysis Of Record for Calibration (AORC) is a gridded record of near-surface weather conditions covering the continental United States and Alaska and their hydrologically contributing areas (https://registry.opendata.aws/noaa-nws-aorc/) It is defined on a latitude/longitude spatial grid with a mesh length of 30 arc seconds (~800 m), and a temporal resolution of one hour. Elements include hourly total precipitation, temperature, specific humidity, terrain-level pressure, downward longwave and shortwave radiation, and west-east and south-north wind components. It spans the period from 1979 across the Continental U.S. (CONUS) and from 1981 across Alaska, to the near-present (at all locations). This suite of eight variables is sufficient to drive most land-surface and hydrologic models and is used as input to the National Water Model (NWM) retrospective simulation. While the original NOAA process generated AORC data in netCDF format, the data has been post-processed to create a cloud optimized Zarr formatted equivalent that NOAA also disseminates.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
US
North Latitude
49.1415°
East Longitude
-76.0062°
South Latitude
24.8306°
West Longitude
-125.0495°

Temporal

Start Date:
End Date:

Content

README.txt 

Jupyter Notebooks for the Retrieval of AORC Data for Hydrologic Analysis

This resource contains the following Jupyter Notebooks and  python files with functions called by the notebooks.
AORC_Point_Data_Retrieval.ipynb
AORC_Zone_Data_Retrieval.ipynb
This resource is designed to be opened from a JupyterHub platform connected to CUAHSI HydroShare and has been tested using CUAHSI JupyterHub, CyberGIS-Jupyter for Water and CIROH JupyterHub.

At this resource in HydroShare use Open With on any of these application servers to launch into the respective JupyterHub environment.  Then open the Jupyter Notebook for the format of the data you wish to retrieve and follow the instructions it contains.

Data Services

The following web services are available for data contained in this resource. Geospatial Feature and Raster data are made available via Open Geospatial Consortium Web Services. The provided links can be copied and pasted into GIS software to access these data. Multidimensional NetCDF data are made available via a THREDDS Data Server using remote data access protocols such as OPeNDAP. Other data services may be made available in the future to support additional data types.

Web Map Service

https://geoserver.hydroshare.org/geoserver/HS-72ea9726187e43d7b50a624f2acf591f/wms?request=GetCapabilities

Web Feature Service

https://geoserver.hydroshare.org/geoserver/HS-72ea9726187e43d7b50a624f2acf591f/wfs?request=GetCapabilities

Related Resources

The content of this resource is derived from Parts of this are derived from https://github.com/CUAHSI/notebooks/blob/main/data-processing/aorc/collect-aorc-v1.1.ipynb
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Hydrological Data Retrieval Using CIROH JupyterHUB Ayman Nassar · David Tarboton  Public &  Shareable Open Access
Curated List of Datasets for the CIROH Portal Dan Ames  Public &  Shareable Open Access

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Oceanic and Atmospheric Administration (NOAA), University of Alabama CIROH: Enabling collaboration through data and model sharing with CUAHSI HydroShare NA22NWS4320003 to University of Alabama, subaward A23-0266-S001 to Utah State University
National Science Foundation HDR Institute: Geospatial Understanding through an Integrative Discovery Environment 2118329

How to Cite

Nassar, A., D. Tarboton, H. Salehabadi, A. M. Castronova, P. Dash (2024). Jupyter Notebooks for the Retrieval of AORC Data for Hydrologic Analysis, HydroShare, http://www.hydroshare.org/resource/72ea9726187e43d7b50a624f2acf591f

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

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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