Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 Jan 29;8(1):coz115. doi: 10.1093/conphys/coz115

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2020. Published by Oxford University Press and the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Time-series of mean summer (JJA). Enhanced Vegetation Index in southern California island and mainland environments (a). Recent acute (single year; 2007) and chronic (multi-year; 2012–2017) drought events are shaded in gray. Lower panel (b) shows U.S. Drought Monitor categorizations for the South Coast region (U.S. Drought Monitor:http://droughtmonitor.unl.edu/) during the same time interval. Island EVI is averaged from Santa Catalina, Santa Cruz and Santa Rosa Islands, which all have significant island chaparral components. Mainland EVI is averaged from chaparral-dominated areas in the Santa Monica, Santa Ynez and Santa Ana ranges. EVI averages were generated by combining surface reflectance data from Landsat 4/5/7/8 using the Climate Engine web tool (https://app.climateengine.org/). Asterisks denote significant differences during drought years and years immediately following drought (i.e. recovery years).