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Investigating Environmental Risk from Climate Change in Canada: Fire Fuel Consumption, Severity and Ecosystem Response Indicators using LiDAR (FISIL)

调查加拿大气候变化带来的环境风险：使用激光雷达 (FISIL) 的火灾燃料消耗、严重程度和生态系统响应指标

基本信息

批准号：
RGPIN-2017-04492
负责人：
Chasmer, Laura
金额：
$ 2.11万
依托单位：
University of Lethbridge
依托单位国家：
加拿大
项目类别：
Discovery Grants Program - Individual
财政年份：
2017
资助国家：
加拿大
起止时间：
2017-01-01 至 2018-12-31
项目状态：
已结题

来源：
https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=631643
关键词：
Investigating Environmental Risk Climate Change

项目摘要

Warming and drying trends in western Canada’s Boreal region have increased due to climate warming. This has caused a marked shift in the area burned by wildfire over the last 10 years, doubling that of the 1970’s. The area burned by wildfire is expected to increase over the next century due to continued warming and longer fire seasons. While fires are a natural part of ecosystem succession, they also pose significant threats to the economic and social stability of urban and industrial areas. Drying wetlands may provide additional fuel for wildfires, potentially having negative human health implications as a result of lingering air pollution. Yet the vulnerability of wetlands to wildfire is difficult to quantify, especially over broad and often remote regions, but is required for better understanding of the climatic, ecological and social consequences of wildfires now and in the future. My research program, FISIL, will improve understanding of vegetation structural, topographic and hydrological drivers of forest fire fuel consumption and post-fire vegetation regeneration trajectories within wetland to forest transitional zones that have undergone recent natural or anthropogenic change. Wetland ground cover and short vegetation canopies are of particular concern because their impacts on fire severity are not well understood, and are poorly parameterised in operational fire prediction models. My

由于气候变暖，加拿大西部北方地区的变暖和干燥趋势有所增加。这导致了过去10年来野火烧毁面积的显著变化，是20世纪70年代的两倍。由于持续变暖和更长的火灾季节，野火烧毁的面积预计将在下一个世纪增加。虽然火灾是生态系统演替的自然组成部分，但也对城市和工业区的经济和社会稳定构成重大威胁。干燥的湿地可能为野火提供额外的燃料，由于挥之不去的空气污染，可能对人类健康产生负面影响。然而，湿地对野火的脆弱性很难量化，特别是在广阔且往往偏远的地区，但需要更好地了解现在和未来野火的气候，生态和社会后果。我的研究计划，FISIL，将提高植被结构，地形和水文森林火灾燃料消耗和火灾后植被再生轨迹内湿地森林过渡区，经历了最近的自然或人为变化的驱动程序的理解。湿地地面覆盖和短植被冠层是特别令人关注的，因为它们对火灾严重程度的影响还没有得到很好的理解，并在业务火灾预测模型参数化。我