Geomorphic evaluation of erosional stability at reclaimed surface mines in northwestern Colorado. Water Resources Investigation
Technical Report
·
OSTI ID:5914819
The report identifies geomorphic, pedologic, vegetation, and hydrologic conditions that are associated with erosion of reclaimed surface-mined lands in northwestern Colorado. The report also presents methods for determining the appropriate values of geomorphic variables that can be manipulated during reclamation to increase erosional stability. A section on geomorphic principles associated with erosion of reclaimed land surfaces is designed for use as a primer by mine personnel and reclamation planners. The areas of interest in the study were those that were reclaimed under jurisdiction of current (1988) SMCRA reclamation regulations, yet were still affected by relatively rapid erosion rates several years after reclamation activities were completed. Geomorphic, pedologic, vegetation, and hydrologic data were collected onsite and from topographic maps. Data from reclaimed areas undergoing accelerated erosion were compared with data from reclaimed areas undergoing minimal erosion to identify conditions that controlled erosion on reclaimed surface-mined lands and to identify some postmining equilibrium landform characteristics. These data also were used to develop threshold relations.
- Research Organization:
- Geological Survey, Denver, CO (United States). Water Resources Div.
- OSTI ID:
- 5914819
- Report Number(s):
- PB-92-107549/XAB; USGS/WRI--90-4132
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010900* -- Coal
Lignite
& Peat-- Environmental Aspects
54 ENVIRONMENTAL SCIENCES
540250 -- Environment
Terrestrial-- Site Resource & Use Studies-- (1990-)
COAL MINING
COLORADO
CONTROL
DATA ACQUISITION
DEVELOPED COUNTRIES
DRAINAGE
EROSION
EROSION CONTROL
FEDERAL REGION VIII
GEOLOGY
GEOMORPHOLOGY
HYDROLOGY
LAND RECLAMATION
MINING
NORTH AMERICA
PLANTS
REGULATIONS
SLOPE STABILITY
STABILITY
SURFACE MINING
USA
VALLEYS
010900* -- Coal
Lignite
& Peat-- Environmental Aspects
54 ENVIRONMENTAL SCIENCES
540250 -- Environment
Terrestrial-- Site Resource & Use Studies-- (1990-)
COAL MINING
COLORADO
CONTROL
DATA ACQUISITION
DEVELOPED COUNTRIES
DRAINAGE
EROSION
EROSION CONTROL
FEDERAL REGION VIII
GEOLOGY
GEOMORPHOLOGY
HYDROLOGY
LAND RECLAMATION
MINING
NORTH AMERICA
PLANTS
REGULATIONS
SLOPE STABILITY
STABILITY
SURFACE MINING
USA
VALLEYS