Keyphrases
United States
100%
Temperature Effect
100%
Temperature Extremes
100%
Temperature Variability
100%
Spring Phenology
100%
Green-up
100%
Interannual Variation
71%
Phenological Variation
28%
Contiguous United States
28%
Spring Temperature
28%
Phenological Trends
28%
Temporal Trends
14%
Phenological
14%
Climate Variation
14%
Response to Climate
14%
Phenology
14%
Terrestrial Ecosystems
14%
Warm Climate
14%
Climate Modeling
14%
Increasing Trends
14%
Moderate Resolution Imaging Spectroradiometer (MODIS)
14%
Interannual Variability
14%
Advanced Very High Resolution Radiometer (AVHRR)
14%
Warm Spring
14%
Vegetation Phenology
14%
Phenological Events
14%
Impact on Vegetation
14%
Extreme Years
14%
Long-term Data Record
14%
EVI2
14%
Two-band Enhanced Vegetation Index
14%
Earth and Planetary Sciences
United States
100%
Annual Variation
100%
Vegetation
60%
Climate Variation
20%
Time Series
20%
Terrestrial Ecosystem
20%
MODIS
20%
Vegetation Index
20%
Climate Modeling
20%
Agricultural and Biological Sciences
Spring
100%
Phenology
100%
Climate Modeling
20%
Terrestrial Ecosystem
20%
Vegetation Index
20%