Counting Carbon: Quantifying Biomass in the McMurdo Dry Valleys through Orbital & Field Observations
Counting Carbon: Quantifying Biomass in the McMurdo Dry Valleys through Orbital & Field Observations
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计算碳:通过轨道量化麦克默多干谷的生物量
DOI:
10.1080/01431161.2021.1981559
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发表时间:
2021
影响因子:
3.4
通讯作者:
Gooseff, Michael N.
中科院分区:
文献类型:
--
作者:
Salvatore, Mark R.;Barrett, John E.;Borges, Schuyler R.;Power, Sarah N.;Stanish, Lee F.;Sokol, Eric R.;Gooseff, Michael N.
We use correlative field studies and high-resolution multispectral remote sensing data from the WorldView-2 instrument to estimate the abundance of photosynthetically active biomass (photoautotrophs consisting primarily of microbial mats and mosses) in Canada Stream in Taylor Valley, McMurdo Dry Valleys (MDV), Antarctica.In situfield investigations were performed to (1) acquire ground validation targets for atmospherically correcting satellite imagery, (2) derive spectra of “pure” geologic and biological endmembers, (3) estimate photoautotroph cover from remote sensing data, and (4) convert these coverage estimates to biomass using data collected in the field. Our results suggest that, on the morning of 12 December 2018, the Canada Stream system contained more than 3,800 kg of photosynthetically active carbon. Extrapolating our unmixing results to the entirety of the Fryxell basin of Taylor Valley, Antarctica, we model the presence of more than 750,000 kg of photosynthetically active carbon across the landscape and carbon fixation rates roughly equivalent to five hectares of tropical rainforest. The ability to spatially and temporally quantify the amount of photosynthetically active biomass using remote sensing data in the MDV of Antarctica is a revolutionary development that will help elucidate the ecological drivers and environmental responses in this cold desert landscape.
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影响因子:
3.7
作者:
T. Kohler;L. Stanish;S. Crisp;J. Koch;D. Liptzin;J. Baeseman;D. McKnight
通讯作者:
D. McKnight
影响因子:
1.7
作者:
A. Schwarz;T. Green;R. Seppelt
通讯作者:
R. Seppelt
影响因子:
4.2
作者:
David Van Horn;C. Wolf;D. Colman;Xiaoben Jiang;T. Kohler;D. McKnight;L. Stanish;Terrill Yazzie;C. Takacs-Vesbach
通讯作者:
David Van Horn;C. Wolf;D. Colman;Xiaoben Jiang;T. Kohler;D. McKnight;L. Stanish;Terrill Yazzie;C. Takacs-Vesbach
DOI:
--
发表时间:
1986
期刊:
影响因子:
--
作者:
W. Vincent;C. Howard
通讯作者:
C. Howard
影响因子:
4.4
作者:
Doran, PT;McKay, CP;Lyons, WB
通讯作者:
Lyons, WB