[Eoas-seminar] MET seminar at 3:30 PM, Thursday, Nov. 1, Lov 353, by Dr. Holly Nowell

eoas-seminar at lists.fsu.edu eoas-seminar at lists.fsu.edu
Wed Oct 31 15:23:51 EDT 2018

Just a remind that Dr. Holly Nowell will give a MET program seminar  at 3:30 PM, Thursday, Nov. 1, Lov 353. The title and abstract is as following:

A new picture of fire extent, variability, and drought interaction in prescribed fire landscapes: insights from Florida government records


Wildfires and prescribed (i.e., controlled) fires are major sources of air pollution, greenhouse gases, and aerosols. Accurately estimating emissions from fires is critical to understanding their impacts on the environment and for designing sound fire management policies. We show that for Florida, USA, current satellites—the primary tools for identifying the extent, location, and time of these fires—dramatically under-estimate the amount of fire, poorly identify its variation in space and time, and can mischaracterize its relationship to drought. Using government records of fires, where available, can overcome some satellite shortcomings and provide a more accurate picture of fire extent and variability. In Florida, these records show that land area consumed by fire decreases during drought conditions due to less prescribed burning, but this pattern is not detected by satellites. Similar results may be expected in other parts of the world with similar fire characteristics, including agricultural and savanna regions of South America, Africa, Europe, and Asia. Using prescribed fire can help land managers adapt to climate-driven changes in wildfire activity.

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