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Zawartość zarchiwizowana w dniu 2022-12-23

Remote sensing methods for environmental assessment of Eurasian Peatlands and associated ecosystems under climate change (PACINE)

Cel

Human activity has significantly fragmented and reduced the extent of peatlands and associated ecosystems in Europe, and global warming may further accelerate degradation of these ecosystems, leading to massive carbon emissions and biodiversity loss. The aim of this project is to develop and test Earth Observation (EO) methods to assess the status of Northern Eurasia's peatlands and associated ecosystems in response to climate change, covering both mitigation and adaptation aspects. To cover gaps in existing data on peatlands extent and diversity in Eurasia, we will investigate the possibilities to use MODIS satellite data for mapping of large-scale peatland areas in boreal and temperate zones, and we will produce a 250-m resolution map of peatland and associated ecosystems across Eurasia.

The grid-based ground truth database will be used to calibrate and validate methods and EO data-derived thematic products. Human activities threaten peatlands, and the UNFCCC states that peat excavation is the most important disturbance factor related to climate change. By combining moderate and high-resolution EO data supported by ground truth information, peatlands excavated at different stages will be detected and monitored. Both historical and recent high-resolution satellite data (e.g. Landsat-TM/ETM+, Meteor-3M/MSU-E and etc.) will be used to derive spatially explicit maps and estimates of excavated peatlands over test regions in Europe and Western Siberia covering a wide range of virgin and disturbed peatlands. Peatlands play a significant role in greenhouse gas (GHG) fluxes; these fluxes vary strongly in time and space. We will focus on the development of methods to derive spatially and temporally explicit estimates of GHG fluxes in peatland ecosystems by combining EO data and pointwise in-situ measurements. Climate change effects biomass structure and composition, which in turn impacts animal habitat.

One sub- project (task) focuses on modelling soil wetness and water-habitat for better understanding the role of micro-habitat (i.e. vegetation type and structure, water absorbing capacity and mix of organic to mineral matter) in the current distribution and abundance of amphibian and reptile species in peatlands and associated ecosystems. Future species distributions will be simulated in response to (micro-) habitat changes (i.e. vegetation type and structure, water absorbing capacity and mix of organic to mineral matter) within these ecosystems. The project is a response to the Call on Global Climate Change Focusing on Carbon Stocks and Changes in Biodiversity and addresses pan-European scientific co-operation in order to further develop EO missions and technology for environmental assessment.

Temat(-y)

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Koordynator

INSTITUTE OF GEODESY AND CARTOGRAPHY
Wkład UE
Brak danych
Adres
MODZELEWSKIEGO, 27
WARSAW
Polska

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Koszt całkowity
Brak danych

Uczestnicy (4)