A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils
Thesis (M.S.) University of Alaska Fairbanks, 2005 The extent of anaerobic respiration by soil microbes is dependent on many factors, including water and nutrient availability, pH, temperature, oxidation/reduction potential, and soil organic matter quality. An understanding of the influence of these...
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ftunivalaska:oai:scholarworks.alaska.edu:11122/6907 2023-05-15T14:48:15+02:00 A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils Andersen, Sarah 2005-05 http://hdl.handle.net/11122/6907 en_US eng http://hdl.handle.net/11122/6907 Department of Civil and Environmental Engineering Thesis ms 2005 ftunivalaska 2023-02-23T21:36:44Z Thesis (M.S.) University of Alaska Fairbanks, 2005 The extent of anaerobic respiration by soil microbes is dependent on many factors, including water and nutrient availability, pH, temperature, oxidation/reduction potential, and soil organic matter quality. An understanding of the influence of these factors on anaerobic respiration is important as carbon dioxide (CO₂) and methane (CH₄) can act as greenhouse gasses. This study investigated the relationship between soil organic matter (SOM) and anaerobic respiration potential in arctic and sub-arctic soils. A model was developed to describe the dependence of anaerobic gas production on SOM properties. The model was generated by correlating SOM properties to anaerobic gas production for a suite of soils collected from the U.S., Canadian, and Scandinavian Arctic and Subartic. The SOM properties were characterized using pyrolysis-gas chromatography/mass spectrometry. The anaerobic gas production was measured using laboratory incubations. This model was then applied to soil samples taken from the Smith Lake Methane Flux Site at the University of Alaska Fairbanks in order to predict the anaerobic respiration gas production potential from soils in this area. Maps were constructed showing the predicted amount of anaerobic respiration within a 0.75 mile radius of the Smith Lake Methane Flux Site. Thesis Arctic Subarctic Alaska University of Alaska: ScholarWorks@UA Arctic Fairbanks Smith Lake ENVELOPE(101.283,101.283,-66.117,-66.117) |
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University of Alaska: ScholarWorks@UA |
op_collection_id |
ftunivalaska |
language |
English |
description |
Thesis (M.S.) University of Alaska Fairbanks, 2005 The extent of anaerobic respiration by soil microbes is dependent on many factors, including water and nutrient availability, pH, temperature, oxidation/reduction potential, and soil organic matter quality. An understanding of the influence of these factors on anaerobic respiration is important as carbon dioxide (CO₂) and methane (CH₄) can act as greenhouse gasses. This study investigated the relationship between soil organic matter (SOM) and anaerobic respiration potential in arctic and sub-arctic soils. A model was developed to describe the dependence of anaerobic gas production on SOM properties. The model was generated by correlating SOM properties to anaerobic gas production for a suite of soils collected from the U.S., Canadian, and Scandinavian Arctic and Subartic. The SOM properties were characterized using pyrolysis-gas chromatography/mass spectrometry. The anaerobic gas production was measured using laboratory incubations. This model was then applied to soil samples taken from the Smith Lake Methane Flux Site at the University of Alaska Fairbanks in order to predict the anaerobic respiration gas production potential from soils in this area. Maps were constructed showing the predicted amount of anaerobic respiration within a 0.75 mile radius of the Smith Lake Methane Flux Site. |
format |
Thesis |
author |
Andersen, Sarah |
spellingShingle |
Andersen, Sarah A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils |
author_facet |
Andersen, Sarah |
author_sort |
Andersen, Sarah |
title |
A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils |
title_short |
A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils |
title_full |
A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils |
title_fullStr |
A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils |
title_full_unstemmed |
A model of soil organic matter quality under anaerobic conditions in Arctic and subarctic soils |
title_sort |
model of soil organic matter quality under anaerobic conditions in arctic and subarctic soils |
publishDate |
2005 |
url |
http://hdl.handle.net/11122/6907 |
long_lat |
ENVELOPE(101.283,101.283,-66.117,-66.117) |
geographic |
Arctic Fairbanks Smith Lake |
geographic_facet |
Arctic Fairbanks Smith Lake |
genre |
Arctic Subarctic Alaska |
genre_facet |
Arctic Subarctic Alaska |
op_relation |
http://hdl.handle.net/11122/6907 Department of Civil and Environmental Engineering |
_version_ |
1766319337025568768 |