Keyphrases
Forest Soil
100%
Montane Forest
100%
Stable Isotopes
100%
Forest Floor
100%
Radioactive Isotopes
100%
Mineral Soil
60%
Anthropogenic Pb
40%
Forest Zone
40%
207Pb
40%
Isotopic Composition
40%
Camel
40%
Deciduous Forest
40%
Soil Profile
40%
Groundwater Water
40%
210Pb
40%
Low Elevation
40%
Organic Horizon
20%
Atmospheric Deposition
20%
Atmospheric Pb
20%
Depositional Model
20%
206Pb
20%
Floor Response
20%
Groundwater Contamination
20%
Limited Availability
20%
Surface Soil
20%
Coniferous Forest
20%
226Ra
20%
High Elevation
20%
Spatial Variability
20%
Toxic Metals
20%
Surface Stream
20%
Soil Compartment
20%
High-elevation Site
20%
Surface Water
20%
Pb Deposition
20%
Response Time
20%
Temporal Model
20%
Survey Data
20%
Temporal Data
20%
Earth and Planetary Sciences
Stable Isotope
100%
Mountain Forest
100%
Radioactive Isotope
100%
Forest Soil
100%
Forest Floor
100%
Deciduous Forest
40%
Soil Profile
40%
Surface Water
40%
Isotopic Composition
40%
Coniferous Forest
20%
Water Pollution
20%
United States
20%
Atmospherics
20%
Vermont
20%
Atmospheric Deposition
20%
Vegetation
20%
Toxic Metal
20%
Timescale
20%