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在“
自然资源管理
”中,
命中:
4
条,耗时:0.0140186 秒
1.
Spatial and seasonal patterns in water quality in an embayment-mainstem reach of the tidal freshwater Potomac River, USA: a multiyear study
作者:
R. Christian Jones
;
Donald P. Kelso and Elaine
Schaeffer
关键词:
BOD
;
Chlorophyll a
;
Interannual
;
Nitrogen
;
Phosphorus
;
Multivariate
;
Seasonal
;
Secchi depth
;
Spatial
;
Water quality
刊名:Environmental Monitoring and Assessment
年:2008
2.
Thoughts concerning the economic valuation of landscapes
作者:
Peter V.
Schaeffer
关键词:
Non-market valuation
;
Market failure
;
Rationality
;
Externalities
;
Allocation efficiency
;
Amenities
;
Open space
;
Land use
刊名:Journal of Environmental Management
年:2008
3.
Seasonal estimates of riparian evapotranspiration using remote and in situ measurements
作者:
Goodrich
;
D.C.
;
Scott
;
R.
;
Qi
;
J.
;
Goff
;
B.
;
Unkrich
;
C.L.
;
Moran
;
M.S.
;
Williams
;
D.
;
Schaeffer
;
S.
;
et. al.
关键词:
Riparian evapotranspiration
;
Penman&ndash
;
Monteith model
;
Cottonwood/willow transpiration
;
SALSA Program
;
Interdisciplinary
;
Water balance
刊名:Agricultural and Forest Meteorology
年:2000
4.
Exergy accounting of energy and materials flows in steel production systems
作者:
Costa
;
Má
;
rcio Macedo
;
Schaeffer
;
Roberto
;
Worrell
;
Ernst
刊名:Energy
年:2001
1
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