Mobile radar provides insights into hydrologic responses in burn areas
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Abstract
Wildfires often occur in mountainous terrain, regions that pose substantial challenges to operational meteorological and hydrologic observing networks.
A mobile, post-fire hydrometeorological observatory comprising remote-sensing and in situ instrumentation was developed and deployed in a burnt area to provide unique insights into rainfall-induced post-fire hazards.
Mobile radar-based rainfall estimates were produced throughout the burn area at 75-m resolution and compared with rain gauge accumulations and basin response variables.
The mobile radar was capable of resolving details in intra-basin rain fields as well as detecting storms approaching the burn area with accuracy equivalent to rain gauges. Runoff responses were complex and dependent on spatiotemporal patterns and magnitude of rainfall intensity over the burn area.
The complement of the mobile radar with the near-field, non-contact instruments measuring the hydrologic response provided valuable information in regions that are difficult to access and are not routinely monitored by conventional observing networks.
Post-fire observatories equipped with mobile radars deployed on burn areas provide real-time data, early alerting capabilities and visualizations to potentially guide impact-based decision support for local authorities.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mobile radar provides insights into hydrologic responses in burn areas |
| Series title | International Journal of Wildland Fire |
| DOI | 10.1071/WF24163 |
| Volume | 34 |
| Issue | 6 |
| Publication Date | May 26, 2025 |
| Year Published | 2025 |
| Language | English |
| Publisher | CSIRO Publishing |
| Contributing office(s) | Colorado Water Science Center |
| Description | WF24163, 19 p. |
| Country | United States |
| State | Colorado |