|TSM/TDM Science Team Meeting 2016|
|Science Team Meetings|
|How to Submit a Proposal|
|COFUR Price List (scientific use)|
|TanDEM-X Science Service System|
|Title||Dual-Polarized and Polarimetric Repeat Pass TerraSAR-X to Map and Monitor Tillage Activities on Agricultural Land in Canada|
|Investigator||McNairn, Heather - Government of Canada, Agriculture and Agri-Food Canada|
Targeting of best management practices to vulnerable landscapes is required to promote the long term sustainability of the agriculture sector. Frequent tillage of fragile lands promotes soil loss and the degradation of soil quality. Consequently targeting programs and policies to promote best practices on these lands is critical. However, information is needed for effective targeting and monitoring. Agriculture and Agri-Food Canada (AAFC) is involved in a multi-year research project to develop methods to map land management activities using optical and SAR satellite imagery. Optical data are able to estimate the amount of residue left after harvest and tillage. SAR data help to track tillage activities and to estimate surface roughness associated with tillage disturbance. It is the knowledge of residue cover and tillage disturbance that provides a full picture of land management activities. To date, AAFC has investigated integration of C-Band (RADARSAT-1 and ASAR) data into radar models to estimate both soil moisture and surface roughness. In 2008, a long term research site in eastern Ontario will be imaged with RADARSAT-1, RADARSAT-2, ASAR and PALSAR sensors. This project proposes to include TerraSAR-X data in this acquisition planning in order to address the following objectives:
The team will investigate more simplistic approaches to track tillage occurrence, such as changes in backscatter as well as changes in polarimetric variables such as anisotropy and the circular polarization correlation coefficient. Differential InSAR will also be investigated to determine if this method could detect changes in root mean square roughness (rms) attributable to soil disturbance from tillage activities. Integration of TerraSAR-X derived roughness estimates with C- and L-Band data will occur within the radar models currently under investigation.
The team is requesting 8 repeat-pass TerraSAR-X StripMode dual polarization acquisitions and 4 polarimetric acquisitions for the duration of the project. The team wishes to capture one spring and one fall tillage season.
AAFC has funding from two approved research projects, one funded by the AAFC Research Branch and a second by the Canadian Space Agency (CSA). RADARSAT-2 data are being provided under an approved CSA-MDA SOAR project.
This research activity is expected to generate a series of conference papers and presentations, as well as peer-reviewed journal publications. In addition, AAFC will complete a final report on research findings and provide a sample of output products to support the promotion of TerraSAR-X.
Back to list of proposals
|© DLR 2004-2016||