نتایج جستجو برای: burned area

تعداد نتایج: 588132  

Journal: :Geoscientific Model Development 2023

Abstract. African and South American (ASA) wildfires account for more than 70 % of global burned areas have strong connection to local climate sub-seasonal seasonal wildfire dynamics. However, representation the wildfire–climate relationship remains challenging due spatiotemporally heterogenous responses variability human influences. Here, we developed an interpretable machine learning (ML) fir...

2015
Yu Chang Zhiliang Zhu Rencang Bu Yuehui Li Yuanman Hu

Fire frequency and size are two important parameters describing fire characteristics. Exploring the spatial variation of fire characteristics and understanding the environmental controls are indispensable to fire prediction and sustainable forest landscape management. To illustrate the spatial variation of forest fire characteristics over China and to quantitatively determine the relative contr...

Journal: :Journal of remote sensing 2022

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2010
Merritt R. Turetsky Evan S. Kane Jennifer W. Harden Roger D. Ottmar Kristen L. Manies Elizabeth Hoy Eric S. Kasischke

Climate change has increased the area affected by forest fires each year in boreal North America1,2. Increases in burned area and fire frequency are expected to stimulate boreal carbon losses3–5. However, the impact of wildfires on carbon emissions is also affected by the severity of burning. How climate change influences the severity of biomass burning has proved difficult to assess. Here, we ...

Journal: :IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2023

Optical remote sensing instruments accumulate abundant data from across all of the earth's land surfaces, making it possible both to understand effects climate change and monitor, investigate, manage ground-level events in detail. Processing using resources located near on-board satellite sensors can bring major benefits terms minimizing analysis time quickly initiating active actions critical ...

2017
Berangere A. Leys Julie L. Commerford Kendra K. McLauchlan

Fire is a key Earth system process, with 80% of annual fire activity taking place in grassland areas. However, past fire regimes in grassland systems have been difficult to quantify due to challenges in interpreting the charcoal signal in depositional environments. To improve reconstructions of grassland fire regimes, it is essential to assess two key traits: (1) charcoal count, and (2) charcoa...

2015
Daniela Stroppiana Ramin Azar Fabiana Calò Antonio Pepe Pasquale Imperatore Mirco Boschetti João M. N. Silva Pietro A. Brivio Riccardo Lanari

The application of an integrated monitoring tool to assess and understand the effects of annually occurring forest fires is presented, with special emphasis to Mediterranean and Temperate Continental zones of Europe. The distinctive features of the information conveyed by optical and microwave remote sensing data have been firstly investigated, and pertinent information have been subsequently c...

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