Search Results - "Daughtry, Craig S"
-
1
Comparison of Five Spectral Indices and Six Imagery Classification Techniques for Assessment of Crop Residue Cover Using Four Years of Landsat Imagery
Published in Remote sensing (Basel, Switzerland) (01-09-2023)“…Determining residue cover on agricultural land is an important task. Residue cover helps reduce soil erosion and helps sequester carbon. Many studies have used…”
Get full text
Journal Article -
2
Mapping Crop Residue and Tillage Intensity Using WorldView-3 Satellite Shortwave Infrared Residue Indices
Published in Remote sensing (Basel, Switzerland) (01-10-2018)“…Crop residues serve many important functions in agricultural conservation including preserving soil moisture, building soil organic carbon, and preventing…”
Get full text
Journal Article -
3
Chlorophyll Meter Calibrations for Chlorophyll Content Using Measured and Simulated Leaf Transmittances
Published in Agronomy journal (01-05-2014)“…Konica-Minolta SPAD-502 leaf chlorophyll meters provide a relative value of leaf chlorophyll content, and from the literature, there are considerable…”
Get full text
Journal Article -
4
Diurnal and Seasonal Variations in Chlorophyll Fluorescence Associated with Photosynthesis at Leaf and Canopy Scales
Published in Remote sensing (Basel, Switzerland) (01-03-2019)“…There is a critical need for sensitive remote sensing approaches to monitor the parameters governing photosynthesis, at the temporal scales relevant to their…”
Get full text
Journal Article -
5
Acquisition of NIR-Green-Blue Digital Photographs from Unmanned Aircraft for Crop Monitoring
Published in Remote sensing (Basel, Switzerland) (01-01-2010)“…Payload size and weight are critical factors for small Unmanned Aerial Vehicles (UAVs). Digital color-infrared photographs were acquired from a single…”
Get full text
Journal Article -
6
Effect of Soil Spectral Properties on Remote Sensing of Crop Residue Cover
Published in Soil Science Society of America journal (01-09-2009)“…Conservation tillage practices often leave appreciable amounts of crop residues on soil surfaces after harvesting and generally improve soil structure, enhance…”
Get full text
Journal Article -
7
Integrating Solar Induced Fluorescence and the Photochemical Reflectance Index for Estimating Gross Primary Production in a Cornfield
Published in Remote sensing (Basel, Switzerland) (01-12-2013)“…The utilization of remotely sensed observations for light use efficiency (LUE) and tower-based gross primary production (GPP) estimates was studied in a USDA…”
Get full text
Journal Article -
8
Evaluation of SWIR Crop Residue Bands for the Landsat Next Mission
Published in Remote sensing (Basel, Switzerland) (01-09-2021)“…This research reports the findings of a Landsat Next expert review panel that evaluated the use of narrow shortwave infrared (SWIR) reflectance bands to…”
Get full text
Journal Article -
9
What good are unmanned aircraft systems for agricultural remote sensing and precision agriculture?
Published in International journal of remote sensing (18-08-2018)“…Remote sensing from unmanned aircraft systems (UAS) was expected to be an important new technology to assist farmers with precision agriculture, especially…”
Get full text
Journal Article -
10
Comparison of Methods for Modeling Fractional Cover Using Simulated Satellite Hyperspectral Imager Spectra
Published in Remote sensing (Basel, Switzerland) (01-09-2019)“…Remotely sensed data can be used to model the fractional cover of green vegetation (GV), non-photosynthetic vegetation (NPV), and soil in natural and…”
Get full text
Journal Article -
11
Optimizing Landsat Next Shortwave Infrared Bands for Crop Residue Characterization
Published in Remote sensing (Basel, Switzerland) (01-12-2022)“…This study focused on optimizing the placement of shortwave infrared (SWIR) bands for pixel-level estimation of fractional crop residue cover (fR) for the…”
Get full text
Journal Article -
12
Development of a gridded yield data archive for farm management and research at the USDA Beltsville Agricultural Research Center
Published in Agrosystems, geosciences & environment (01-03-2024)“…High‐quality, gridded maps of crop yield, which discern the spatial variability in productivity across individual farm fields, are extremely valuable in…”
Get full text
Journal Article -
13
Spectral Estimates of Crop Residue Cover and Density for Standing and Flat Wheat Stubble
Published in Agronomy journal (01-03-2012)“…Crop residue is important for erosion control, soil water storage, filling gaps in various agroecosystem-based modeling, and sink for atmospheric carbon. The…”
Get full text
Journal Article -
14
An Improved ASTER Index for Remote Sensing of Crop Residue
Published in Remote sensing (Basel, Switzerland) (01-12-2009)“…Unlike traditional ground-based methodology, remote sensing allows for the rapid estimation of crop residue cover (fR). While the Cellulose Absorption Index…”
Get full text
Journal Article -
15
Evaluation of digital photography from model aircraft for remote sensing of crop biomass and nitrogen status
Published in Precision agriculture (01-08-2005)“…Remote sensing is a key technology for precision agriculture to assess actual crop conditions. Commercial, high-spatial-resolution imagery from aircraft and…”
Get full text
Journal Article -
16
Towards estimation of canopy foliar biomass with spectral reflectance measurements
Published in Remote sensing of environment (15-03-2011)“…Canopy foliar biomass, defined as the product of leaf dry matter content and leaf area index, is an important measurement for global biogeochemical cycles…”
Get full text
Journal Article -
17
Sediment Delivery Estimates in Water Quality Models Altered by Resolution and Source of Topographic Data
Published in Journal of environmental quality (2014)“…Moderate-resolution (30-m) digital elevation models (DEMs) are normally used to estimate slope for the parameterization of non-point source, process-based…”
Get full text
Journal Article -
18
Spectral Reflectance of Wheat Residue during Decomposition and Remotely Sensed Estimates of Residue Cover
Published in Remote sensing (Basel, Switzerland) (01-02-2010)“…Remotely sensed estimates of crop residue cover (fR) are required to assess the extent of conservation tillage over large areas; the impact of decay processes…”
Get full text
Journal Article -
19
Spaceborne imaging spectroscopy enables carbon trait estimation in cover crop and cash crop residues
Published in Precision agriculture (01-10-2024)“…Purpose Cover crops and reduced tillage are two key climate smart agricultural practices that can provide agroecosystem services including improved soil…”
Get full text
Journal Article -
20
Field-scale moisture estimates using COSMOS sensors: A validation study with temporary networks and Leaf-Area-Indices
Published in Journal of hydrology (Amsterdam) (27-11-2014)“…•Compares COSMOS SM field estimates with field averages produced by in situ networks.•COSMOS sensors respond to water stored in vegetation while in situ…”
Get full text
Journal Article