Soil Moisture Profiles and Temperature Data from SoilSCAPE Sites, USA

This data set contains in-situ soil moisture profile and soil temperature data collected at 20-minute intervals at SoilSCAPE (Soil moisture Sensing Controller and oPtimal Estimator) project sites in four states (California, Arizona, Oklahoma, and Michigan) in the United States. SoilSCAPE used wireless sensor technology to acquire high temporal resolution soil moisture and temperature data at up to 12 sites over varying durations since August 2011. At its maximum, the network consisted of over 200 wireless sensor installations (nodes), with a range of 6 to 27 nodes per site. The soil moisture sensors (EC-5 and 5-TM from Decagon Devices) were installed at three to four depths, nominally at 5, 20, and 50 cm below the surface. Soil conditions (e.g., hard soil or rocks) may have limited sensor placement. Temperature sensors were installed at 5 cm depth at six of the sites. Data collection started in August 2011 and continues at eight sites through the present. The data enables estimation of local-scale soil moisture at high temporal resolution and validation of remote sensing estimates of soil moisture at regional (airborne, e.g. NASA's Airborne Microwave Observation of Subcanopy and Subsurface Mission - AirMOSS) and national (spaceborne, e.g. NASA's Soil Moisture Active Passive - SMAP) scales.

Data and Resources

Additional Info

Field	Value
Maintainer	Earthdata Forum
Last Updated	June 23, 2026, 02:01 (UTC)
Created	April 1, 2025, 19:07 (UTC)
accessLevel	public
bureauCode	{026:00}
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
harvest_object_id	451157bd-fc12-474f-890d-eb6fc9235c42
harvest_source_id	b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title	Science Discovery Engine
identifier	10.3334/ORNLDAAC/1339
license	https://www.usa.gov/government-works
modified	2026-06-15T22:16:01Z
programCode	{026:000}
publisher	ORNL_DAAC
resource-type	Dataset
source_datajson_identifier	true
source_hash	57df659e05324f545732693c366d46503c0d3b2fc617c81096f785b529f807c3
source_schema_version	1.1
spatial	["CARTESIAN", [{"WestBoundingCoordinate": -120.99, "NorthBoundingCoordinate": 42.299, "EastBoundingCoordinate": -83.663, "SouthBoundingCoordinate": 31.7355}]]
temporal	2011-08-03/2019-12-14
theme	{"Earth Science"}