Tag: SSURGO

Working With Soil Data from the Living Atlas in ArcGIS Pro

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Have you ever intended to use soil data in your desktop software, read the soil manuals, then decided you can live without it because it’s too difficult to get the data into GIS? If this sounds familiar, we have good … Continue reading

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What’s New with Soil Data in the Living Atlas?

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All SSURGO-based Living Atlas items upgraded to the 2017 SSURGO snapshot New map image and 21 image layers with improved performance New tile layer for use with the map image layer in web maps at small scales New downloader application … Continue reading

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What’s new with the SSURGO Downloader?

SSURGO Downloader

Map packages updated to the 2017 version of SSURGO New application Map packages now on Amazon s3, resulting in much faster downloads The SSURGO downloader provides fast access to 2,200 ready-to-use map packages with the same suite of attributes contained … Continue reading

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Esri Soils Layers Latest Updates

Soils Layers in the Living Atlas of the World

The following Soils Layers were released last week to the Living Atlas of the World: NEW LAYERS USA Soils Albedo USA Soils Bedrock Depth USA Soils Corrosion Concrete USA Soils Corrosion Steel USA Soils Crop Production USA Soils Drainage Class … Continue reading

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Updated Soils contribution to the Living Atlas from Natural Resources Conservation Service (NRCS)

Updated Soils Contributions

The Living Atlas is the foremost collection of authoritative, ready-to-use global geographic information ever assembled. The themed content in the Living Atlas is curated from the best content available in ArcGIS Online. We are excited to have NRCS participate in … Continue reading

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Updates to Hydrology Analysis Services & New Hydrology Layers Added to ArcGIS Online

Watershed Delineation with Multi-Directional Hillshade

The Esri Hydro Team is pleased to announce it has added more data layers to the Living Atlas. USA Polluted Waters (Source: EPA 303d) USA Permitted Point Source Water Pollution (Source: EPA NPDES) USA Hydrologic Group Code (Source: SSURGO) In … Continue reading

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New Map Packages for the SSURGO Downloader

Map package from SSURGO Downloader

by Rich Nauman, Product Engineer, Esri. Do you need to use soil data in your analysis? Simply open the SSURGO Downloader Application, navigate to your project area, click the map to open a pop-up and then click the download link … Continue reading

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Agricultural capability of soils web maps now on ArcGIS Online

by Michael Dangermond, Senior Digital Cartographer, Esri

Agricultural capabilityTwo new web map applications showing agricultural capability for the soils of the United States are now on ArcGIS Online: Agricultural Capability of Soils and Agricultural Capability of Soils with Prime Farmland.  Find out where the best agricultural lands are, and if there are any soil limitations.  Find out where to find Prime Farmland, which takes into consideration soil quality, growing season, and moisture supply needed for the agricultural productivity to sustainably produce high yields of crops.
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Soil hydrology web map with hydrologic group and hydric classification

by Michael Dangermond, Senior Digital Cartographer, Esri

Soil HydrologyThe Soil Hydrology of the United States Web Map Application brings some of the most important hydrologic soil properties together in one map.  Find hydrologic group codes for hydrologic and hydraulic models.  Find hydric soil information to determine wetland land classification. Find depth to the water table for groundwater analysis and well drilling operations.

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Is This Land Any Good? Land Capability Maps on arcgis.com

Let’s say you’re a farmer or farm real estate broker, and you are evaluating whether or not to buy a piece of land.  Your business and your livelihood depends completely on the land and its capability to produce income.

How do you tell the difference between a bad piece of land and a piece of land that has good potential but hasn’t been managed well or has otherwise been neglected?  What can the piece of land do, and what is it really worth?

In a time of great uncertainty and volatility in financial markets and real estate valuation, the inherent capability of a piece of land’s soil asset has just become a lot easier to estimate.  Image credit: USDA

To help answer these questions, esri has produced two new maps and map layers on arcgis.com.  Both are planning-level maps of the economic capability of the United States’ soils.  One map shows the economic capability when the soil is irrigated and the other when the soil is not irrigated.  These maps are entitled Irrigated Land Capability Class and Non-Irrigated Land Capability Class, respectively.

Both maps are made directly from the SSURGO planning level soil dataset from NRCS. For the more technical among us, we used the MUAGGATT table fields ICCDCD and NICCDCD from SSURGO.  Both maps cover the entire USA including Hawaii, Alaska, and Puerto Rico.

At 1:24,000 scale, each part of the United States falls into one of eight broad land capability classes.

The first four classes (1-4) are useful for growing crops, where each class from one to four needs more management or treatment, and has more limitations than the previous class. For example, classes 3 and 4 require more management or treatment than classes 1 and 2.

The last four land capability classes (5-8) are not useful for crops.  NRCS recommends these lands be used for things other than crops, like rangeland, forestland, or wildlife habitat. Class eight isn’t even good for forestry, pasture or rangeland, and so instead NRCS recommends those lands be used for recreation, wildlife habitat, watershed, or aesthetic purposes.

Non-Irrigated Capability Class

These maps feature a color scheme (shown here in 50% transparency) that matches an image of a sample landscape that you see when you click on each soil map unit.  This graphic may then be used like a second legend, displaying the eight classes for you on a replica landscape.

Land Capability Class is one of the most important concepts in the US soil dataset SSURGO.  Land Capability Class is even used in some states for property tax assessment. In the State of Ohio, for example, the tax code prescribes specifically how to use this map to determine property tax.

Esri plans to release more land capability maps, specifically Land Capability Subclass. We will let you know as soon as these maps are complete and online, and rest assured that the subclasses will be in a format that is easily mashed up with either the Irrigated or Non-Irrigated Capability Class maps.

Special thanks to Michael Dangermond for providing this post. Questions for Michael:  mdangermond@esri.com

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