Southeastern U.S. vegetation response to ENSO Events (1989–1999)
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Abstract
El Niño/Southern Oscillation (ENSO) is considered one of the most powerful forces driving anomalous global weather patterns. Large-scale seasonal precipitation and temperature changes influenced by ENSO have been examined in many areas of the world. The southeastern United States is one of the regions affected by ENSO events. In this study, remote sensing detection of vegetation response to ENSO phases is demonstrated with one-kilometer biweekly Normalized Difference Vegetation Index (NDVI) data (1989–1999) derived from the Advanced Very High Resolution Radiometer(AVHRR). The impacts of three ENSO phases, cold, warm and neutral, on vegetation were analyzed with a focus on two vegetation cover types, two seasons and two geographic regions within the southeastern U.S. Significant ENSO effects on vegetation were found in cropland and forest vegetation cover types based on image and statistical analysis of the NDVI data. The results indicate that vegetation condition was optimal during the ENSO neutral phase for both agricultural and natural vegetation.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Southeastern U.S. vegetation response to ENSO Events (1989–1999) |
| Series title | Climatic Change |
| DOI | 10.1023/A:1026081615868 |
| Volume | 60 |
| Issue | 1 |
| Year Published | 2003 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 14 p. |
| First page | 175 |
| Last page | 188 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |