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HistoricalData-IrrigatedLands/doc

This folder contains files for the Historical Data / Irrigated Lands map.


Introduction

The Historical Data / Irrigated Lands map indicates irrigated lands for various historical years.

Update Frequency

This product is updated infrequently, based on changes in CDSS irrigated lands.

Datasets

The following are datasets for the map.

Dataset Description Data Source
CDSS Irrigated Lands (2015) CDSS irrigated lands. The data is originally from Division 5 layer downloaded from the State of Colorado CDSS website. It was then processed by OWF to split into water district extent and is available on the CDSS Spatial Datasets for Colorado Water Districts and Divisions website. The OWF dataset is older and uses the original GeoJSON specification. The workflow reads the old GeoJSON and writes in latest specification.
Similar for other years

Files

The following files and folders are used.

File/Folder Description Repo Ignore
01-download-irrigated-lands.gp GeoProcessor command file to download irrigated lands dataset.
03-create-irrigated-lands-map.gp GeoProcessor command file to create map.
irrigated-lands-map.json Map configuration file. Yes
data/ Data files used as input and stored in the repository.
doc/ This README.md and related files.
downloads/ Downloaded files. Yes - for downloaded files.
layers/ Layers and supporting files used in the map. Yes - for generated files.

Workflow

The following describes the workflow steps, which should be run in the order shown to fully regenerate the information products.

Command File/Script Software Description
01-download-irrigated-lands.gp GeoProcessor Download irrigated lands layers from OWF CDSS data website and save to layers folder.
03-create-irrigated-lands-map.gp GeoProcessor Create a GeoMapProject file for use with the InfoMapper.