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Data supporting the manuscript "Sensitivity of L-Band Microwaves to Subsurface Cobbles in Thin Soils (< 0.5 m) and Implications for Agrohydrology"

Authors:
Owners:		This resource does not have an owner who is an active HydroShare user. Contact CUAHSI (help@cuahsi.org) for information on this resource.
Type:	Resource
Storage:	The size of this resource is 974.4 MB
Created:	May 18, 2026 at 5:17 p.m. (UTC)
Last updated:	Jun 26, 2026 at 8:53 p.m. (UTC) (Metadata update)
Published date:	Jun 26, 2026 at 8:53 p.m. (UTC)
DOI:	10.4211/hs.76c9f46316c44f0ebf5ac7914bc544fd
Citation:	See how to cite this resource
Content types:	Geographic Raster Content CSV Content

Sharing Status:	Published
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Abstract

This repository contains the raw data, R script for analysis and visualization, and ArcGIS Pro package supporting the manuscript "Sensitivity of L-Band Microwaves to Subsurface Cobbles in Thin Soils (< 0.5 m) and Implications for Agrohydrology" submitted to Geophysical Research Letters in June 2026. The dataset allows an assessment of the penetration depth of HV- and HH-polarized L-Band microwaves into soils under field conditions.

Repository Contents:
• [dissertChapter2_studyArea.ppkx]: ArcGIS Pro Project package containing the finalized maps, layouts, and clipped raster layers.
• [palsar20080117_zf_carc.csv]: Raw CSV files containing the underlying tabular data for the CARC site.
• [palsar20080117_zf_carc.csv]: Raw CSV files containing the underlying tabular data for six farm sites.
• [zfWithYield_carcSunBasinIndianButte.csv]: Raw CSV files containing the underlying agronomic data (i.e., wheat yield and protein) at three farm sites
• [20260622_hypothesisTesting.xlsx]: Raw data and visualization forming the basis of the hypothesis testing framework.
• [hydroshareCode.R]: R script used to automate the data cleaning, analysis, and visualization process.
• [palsarHH_20080117.tif]: Raster data for the HH-polarized backscatter signal at the CARC site
• [palsarHV_20080117.tif]: Raster data for the HV-polarized backscatter signal at the CARC site
• [zfResamp.tif]: Raster data for soil thickness at the CARC site (resampled to L-band SAR)

Software & Hardware Requirements:
Spatial data was processed using ArcGIS Pro (Version 3.2.2). R scripts require Version 4.6.0 with moments, raster, ggplot2, and ggExtra packages. The XLSX file requires Microsoft® Excel® for Microsoft 365 MSO (Version 2508 Build 16.0.19127.20678).

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Moccasin Terrace

North Latitude

47.1523°

East Longitude

-109.7114°

South Latitude

46.9783°

West Longitude

-110.1591°

Temporal

Start Date:
End Date:

Content

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readme.md

Data and Code Repository: Sensitivity of L-Band Microwaves to Subsurface Cobbles in Thin Soils (< 0.5 m) and Implications for Agrohydrology

Citation & Manuscript Context

This repository contains the raw data, R analysis/visualization scripts, and geospatial files supporting the following manuscript: Title: Sensitivity of L-Band Microwaves to Subsurface Cobbles in Thin Soils (< 0.5 m) and Implications for Agrohydrology Journal: Submitted to Geophysical Research Letters (June 2026) * Purpose: This dataset enables the assessment of the penetration depth of HV- and HH-polarized L-Band microwaves into soils under active field conditions.

Repository Directory & Contents

📁 Geospatial Data & Projects

dissertChapter2_studyArea.ppkx – ArcGIS Pro Project package containing finalized maps, layouts, and clipped raster layers.
palsarHH_20080117.tif – Raster dataset representing the HH-polarized microwave backscatter signal at the CARC site.
palsarHV_20080117.tif – Raster dataset representing the HV-polarized microwave backscatter signal at the CARC site.
zfResamp.tif – Raster dataset detailing soil thickness at the CARC site, resampled to align with the L-band SAR resolution.

📁 Tabular Datasets

palsar20080117_zf_carc.csv – Raw CSV file containing underlying tabular microwave and depth data for the CARC site.
palsar20080117_zf_allSites.csv – Raw CSV file containing underlying tabular data for the six additional farm sites.
zfWithYield_carcSunBasinIndianButte.csv – Raw CSV file containing agronomic attributes (specifically wheat yield and protein content) across three farm sites (CARC, Sun Basin, and Indian Butte).
20260622_hypothesisTesting.xlsx – Excel spreadsheet containing the raw data and visual plots forming the core basis of the study's hypothesis testing framework.

📁 R Script

hydroshareCode.R – Comprehensive R script used to automate data cleaning, statistical modeling, and the generation of manuscript figure panels.

Software & Hardware Requirements

Geospatial Processing

Software: ArcGIS Pro (v3.2.2 or higher is required to unpack the .ppkx file natively).

Statistical Analysis & Visualization

Environment: R (v4.6.0 or higher recommended).
Required Packages: To run hydroshareCode.R, ensure you have the following libraries installed: ```R install.packages(c("moments", "raster", "ggplot2", "ggExtra"))

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-76c9f46316c44f0ebf5ac7914bc544fd/wms?request=GetCapabilities

Web Coverage Service

https://geoserver.hydroshare.org/geoserver/HS-76c9f46316c44f0ebf5ac7914bc544fd/wcs?request=GetCapabilities

Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
USDA Agricultural Research Service (USDA-ARS)	Agreement 58-3032-005	58-3032-005

How to Cite

Fordyce, S., Sproles, E. A. (2026). Data supporting the manuscript "Sensitivity of L-Band Microwaves to Subsurface Cobbles in Thin Soils (< 0.5 m) and Implications for Agrohydrology", HydroShare, https://doi.org/10.4211/hs.76c9f46316c44f0ebf5ac7914bc544fd

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

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

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