Safari 2000 Carbon in Live Vegetation, 0.5-DEG (Olson)

Olson, Jerry S.; Watts, J.A.; Allison, L.J.

doi:10.3334/ornldaac/633

ORNL Distributed Active Archive Center Datasets 2002

DOI: 10.3334/ornldaac/633

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Safari 2000 Carbon in Live Vegetation, 0.5-DEG (Olson)

Jerry S. Olson¹,

J.A. Watts²,

L.J. Allison³

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2009

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“…Since the conversion factor from oven-dry biomass to carbon is about 0.5, ranging from 0.45 to 0.55 according to vegetation species, age, formation, and community structure [Olson et al, 1983], the corresponding carbon stock change due to LUC, DC, can be calculated by…”

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confidence: 99%

Estimating carbon release caused by land use changes over Canada's north during 1985–1990 and 1990–2000 using satellite Earth observation

Chen

Blain

et al. 2009

J. Geophys. Res.

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[1] This study estimates the greenhouse gas removal/emission due to land use changes (LUC) over Canada's arctic and subarctic landmass to meet Canada's reporting obligation to the United Nations Framework Convention on Climate Change (UNFCCC). Using Landsat scenes circa 1985, 1990, and 2000, as well as GIS information, we estimated the rate of LUC over Canada's north being 548 ha a À1 during 1985-1990 and 725 ha a À1 during 1990-2000. We then developed circa 2000 baseline aboveground biomass maps for the areas affected by these LUC by applying the relationships between measured aboveground biomass and a combination of Landsat and JERS-1 data. From these aboveground biomass maps and LUC estimates, we calculated that the LUC activities over Canada's north released 29,000 ± 4400 t CO 2 a À1 during 1985-1990 and 41,000 ± 6200 t CO 2 a À1 during 1990-2000. Only aboveground biomass was considered. Monte Carlo simulation method was used to quantify the overall error caused by uncertainties in estimates of LUC area and CO 2 emission. Because soil carbon stock over Canada's arctic and subarctic ecosystems can be 10-100 time larger than that of aboveground biomass, accurately quantifying soil carbon stock change caused by LUC should be a priority in future studies.

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mentioning

confidence: 99%

Estimating carbon release caused by land use changes over Canada's north during 1985–1990 and 1990–2000 using satellite Earth observation

Chen

Blain

et al. 2009

J. Geophys. Res.

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Safari 2000 Carbon in Live Vegetation, 0.5-DEG (Olson)

Cited by 1 publication

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Estimating carbon release caused by land use changes over Canada's north during 1985–1990 and 1990–2000 using satellite Earth observation

Estimating carbon release caused by land use changes over Canada's north during 1985–1990 and 1990–2000 using satellite Earth observation

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