Biological neutralization of acid deposition in ombrogenous and minerotrophic wetlands. Technical completion report
Technical Report
·
OSTI ID:5023102
The magnitude of net neutralization of atmospherically deposited acid in an ombrogenous wetland ecosystem was assessed using ion chromatographic analysis of the porewaters, laboratory incubations for sulfate and nitrate uptake under oxic and anoxic conditions, and lead-210-based deposition rates for solid-sulfur species, together with rigorous statistical treatment of porewater data and an annual-averaged mass transport model for sulfate. Results indicate a biologically-dominated sulfate distribution exists in the primary study site, with nearly complete transformation of sulfate deposition within centimeters of the bog/atmosphere interface. The major product appears to be a solid phase organic sulfur species having a very long residence time in the wetland.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge (USA). Dept. of Civil Engineering; Massachusetts Univ., Amherst (USA). Water Resources Research Center
- OSTI ID:
- 5023102
- Report Number(s):
- PB-85-216901/XAB; PUB-149
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID NEUTRALIZING CAPACITY
ALPHA DECAY RADIOISOTOPES
AQUATIC ECOSYSTEMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMISTRY
DATA ANALYSIS
ECOSYSTEMS
ELEMENTS
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
HEAVY NUCLEI
ISOTOPES
LEAD 210
LEAD ISOTOPES
MASS TRANSFER
NONMETALS
NUCLEI
OXYGEN COMPOUNDS
RADIOISOTOPES
SULFATES
SULFUR
SULFUR COMPOUNDS
WATER CHEMISTRY
WETLANDS
YEARS LIVING RADIOISOTOPES
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID NEUTRALIZING CAPACITY
ALPHA DECAY RADIOISOTOPES
AQUATIC ECOSYSTEMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMISTRY
DATA ANALYSIS
ECOSYSTEMS
ELEMENTS
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
HEAVY NUCLEI
ISOTOPES
LEAD 210
LEAD ISOTOPES
MASS TRANSFER
NONMETALS
NUCLEI
OXYGEN COMPOUNDS
RADIOISOTOPES
SULFATES
SULFUR
SULFUR COMPOUNDS
WATER CHEMISTRY
WETLANDS
YEARS LIVING RADIOISOTOPES