Tundra fire effects mapping from synthetic aperture radar satellite data
Traditional electro-optical, satellite-based methods of fire detection and monitoring are severely limited in the arctic due to persistent cloud cover and short growing seasons. Radar data can provide an alternative to traditional electro-optical methods due to all-weather imaging capabilities. Prev...
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ftmichigantuniv:oai:digitalcommons.mtu.edu:mtri_p-1097 2024-09-09T19:28:24+00:00 Tundra fire effects mapping from synthetic aperture radar satellite data Jenkins, Liza K. Bourgeau-Chavez, Laura L. French, Nancy H. F. Loboda, Tatiana V. Chavez, Maria C. Hawkins, S. M. 2013-12-01T08:00:00Z https://digitalcommons.mtu.edu/mtri_p/150 http://abstractsearch.agu.org/meetings/2013/FM/B51H-0397.html unknown Digital Commons @ Michigan Tech https://digitalcommons.mtu.edu/mtri_p/150 http://abstractsearch.agu.org/meetings/2013/FM/B51H-0397.html Michigan Tech Research Institute Publications biogeosciences remote sensing data sets Environmental Monitoring Environmental Sciences text 2013 ftmichigantuniv 2024-08-06T03:32:38Z Traditional electro-optical, satellite-based methods of fire detection and monitoring are severely limited in the arctic due to persistent cloud cover and short growing seasons. Radar data can provide an alternative to traditional electro-optical methods due to all-weather imaging capabilities. Previous research in boreal forests and current evaluation in the Alaskan tundra shows that synthetic aperture radar (SAR) data can be used successfully to map burn perimeters and distinguish burned and unburned areas within the perimeter over a longer period of time than optical sensors. Results will be presented on the use of SAR data to measure spatial variations in the microwave signature across a fire scar as well as temporally throughout the growing season and across multiple years. The extensive historical archive of ERS-1 and -2 SAR data has been used to characterize three burned areas in the tundra regions of Alaska. These fires include the 1993 Wainwright fires in the north-western part of the North Slope (Fig 1), the 1999 Uvgoon fire in the Noatak National Preserve and 2007 Anaktuvuk River fire north of the Brooks Range in the central area of the North Slope. The data record includes pre-burn, burn, and post-burn observations until the fire scars are no longer discernible on the landscape. Our results show that burned areas are visible reliably five years post burn and then faintly apparent thereafter up to 12 or more years post-burn. Conversely, our analysis of electro-optical (Landsat) imagery shows near complete obscuration of the fire scar one year post-burn (Loboda et al. 2013). Also presented are results of an analysis of the effects of post-fire soil moisture, as measured in weather and climate datasets, on the SAR signature measured from the available image data archive. Reference: Loboda, T L, N H F French, C Hight-Harf, L Jenkins, M E Miller. 2013. Mapping fire extent and burn severity in Alaskan tussock tundra: An analysis of the spectral response of tundra vegetation to wildland fire. Remote Sens. ... Text Arctic Brooks Range north slope Tundra Alaska Michigan Technological University: Digital Commons @ Michigan Tech Arctic |
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Open Polar |
collection |
Michigan Technological University: Digital Commons @ Michigan Tech |
op_collection_id |
ftmichigantuniv |
language |
unknown |
topic |
biogeosciences remote sensing data sets Environmental Monitoring Environmental Sciences |
spellingShingle |
biogeosciences remote sensing data sets Environmental Monitoring Environmental Sciences Jenkins, Liza K. Bourgeau-Chavez, Laura L. French, Nancy H. F. Loboda, Tatiana V. Chavez, Maria C. Hawkins, S. M. Tundra fire effects mapping from synthetic aperture radar satellite data |
topic_facet |
biogeosciences remote sensing data sets Environmental Monitoring Environmental Sciences |
description |
Traditional electro-optical, satellite-based methods of fire detection and monitoring are severely limited in the arctic due to persistent cloud cover and short growing seasons. Radar data can provide an alternative to traditional electro-optical methods due to all-weather imaging capabilities. Previous research in boreal forests and current evaluation in the Alaskan tundra shows that synthetic aperture radar (SAR) data can be used successfully to map burn perimeters and distinguish burned and unburned areas within the perimeter over a longer period of time than optical sensors. Results will be presented on the use of SAR data to measure spatial variations in the microwave signature across a fire scar as well as temporally throughout the growing season and across multiple years. The extensive historical archive of ERS-1 and -2 SAR data has been used to characterize three burned areas in the tundra regions of Alaska. These fires include the 1993 Wainwright fires in the north-western part of the North Slope (Fig 1), the 1999 Uvgoon fire in the Noatak National Preserve and 2007 Anaktuvuk River fire north of the Brooks Range in the central area of the North Slope. The data record includes pre-burn, burn, and post-burn observations until the fire scars are no longer discernible on the landscape. Our results show that burned areas are visible reliably five years post burn and then faintly apparent thereafter up to 12 or more years post-burn. Conversely, our analysis of electro-optical (Landsat) imagery shows near complete obscuration of the fire scar one year post-burn (Loboda et al. 2013). Also presented are results of an analysis of the effects of post-fire soil moisture, as measured in weather and climate datasets, on the SAR signature measured from the available image data archive. Reference: Loboda, T L, N H F French, C Hight-Harf, L Jenkins, M E Miller. 2013. Mapping fire extent and burn severity in Alaskan tussock tundra: An analysis of the spectral response of tundra vegetation to wildland fire. Remote Sens. ... |
format |
Text |
author |
Jenkins, Liza K. Bourgeau-Chavez, Laura L. French, Nancy H. F. Loboda, Tatiana V. Chavez, Maria C. Hawkins, S. M. |
author_facet |
Jenkins, Liza K. Bourgeau-Chavez, Laura L. French, Nancy H. F. Loboda, Tatiana V. Chavez, Maria C. Hawkins, S. M. |
author_sort |
Jenkins, Liza K. |
title |
Tundra fire effects mapping from synthetic aperture radar satellite data |
title_short |
Tundra fire effects mapping from synthetic aperture radar satellite data |
title_full |
Tundra fire effects mapping from synthetic aperture radar satellite data |
title_fullStr |
Tundra fire effects mapping from synthetic aperture radar satellite data |
title_full_unstemmed |
Tundra fire effects mapping from synthetic aperture radar satellite data |
title_sort |
tundra fire effects mapping from synthetic aperture radar satellite data |
publisher |
Digital Commons @ Michigan Tech |
publishDate |
2013 |
url |
https://digitalcommons.mtu.edu/mtri_p/150 http://abstractsearch.agu.org/meetings/2013/FM/B51H-0397.html |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Brooks Range north slope Tundra Alaska |
genre_facet |
Arctic Brooks Range north slope Tundra Alaska |
op_source |
Michigan Tech Research Institute Publications |
op_relation |
https://digitalcommons.mtu.edu/mtri_p/150 http://abstractsearch.agu.org/meetings/2013/FM/B51H-0397.html |
_version_ |
1809897661283696640 |