Journal ArticleDOI
Seasonal and long-term vegetation dynamics from 1-km GIMMS-based NDVI time series at Mt. Kilimanjaro, Tanzania
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TLDR
In this paper, the authors presented long-term and seasonal vegetation dynamics derived from a GIMMS-based NDVI record resampled to 1-km spatial resolution and covering a 30-year period (1982-2011).About:
This article is published in Remote Sensing of Environment.The article was published on 2016-06-01. It has received 77 citations till now. The article focuses on the topics: Vegetation (pathology) & Normalized Difference Vegetation Index.read more
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Journal ArticleDOI
Impacts of climate change and human activities on grassland vegetation variation in the Chinese Loess Plateau.
Kai Zheng,Jian-Zhou Wei,Jiu-Ying Pei,Hua Cheng,Xu-Long Zhang,Fu-Qiang Huang,Feng-Min Li,Jian-Sheng Ye +7 more
TL;DR: The slopes restored by the "Grain for Green Project" was considered the main influence factor of human activities and contributed 42.35% and 57.65% respectively to the ΔNDVI on grassland in the Loess Plateau.
Journal ArticleDOI
Detecting dryland degradation using Time Series Segmentation and Residual Trend analysis (TSS-RESTREND)
TL;DR: In this paper, an extended version of the RESTREND methodology that incorporates the Breaks For Additive Seasonal and Trend method was presented to identify step changes in the time series that are related to significant structural change in the ecosystem, e.g. land use changes.
Journal ArticleDOI
Assessment of climate impact on vegetation dynamics over East Africa from 1982 to 2015.
Wilson Kalisa,Tertsea Igbawua,Tertsea Igbawua,Malak Henchiri,Shahzad Ali,Sha Zhang,Sha Zhang,Yun Bai,Yun Bai,Jiahua Zhang +9 more
TL;DR: Seasonally, the short rainy season showed the higher variability in NDVI than the long rainy season, while the DJF, MAM and SON seasons are strongly driven by precipitation variation effect of ENSO versus NDVI series.
Journal ArticleDOI
A climatological assessment of drought impact on vegetation health index
Virgílio A. Bento,Célia M. Gouveia,Célia M. Gouveia,Carlos C. DaCamara,Isabel F. Trigo,Isabel F. Trigo +5 more
TL;DR: In this article, a Mediterranean geographic window is used to estimate VCI, TCI and VHI on a Mediterranean geographical window, which are then correlated with the multiscalar drought indicator SPEI (Standardized Precipitation-Evapotranspiration Index) with the aim of assessing the effect of drought on each contribution.
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A time series of annual land use and land cover maps of China from 1982 to 2013 generated using AVHRR GIMMS NDVI3g data
TL;DR: Li et al. as mentioned in this paper used random forest classification of 19 phenological metrics derived from Advanced Very High Resolution Radiometer (AVHRR) Global Inventory Modeling and Mapping Studies (GIMMS) third generation NDVI (NDVI3g) data.
References
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Book
ggplot2: Elegant Graphics for Data Analysis
TL;DR: This book describes ggplot2, a new data visualization package for R that uses the insights from Leland Wilkisons Grammar of Graphics to create a powerful and flexible system for creating data graphics.
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Red and photographic infrared linear combinations for monitoring vegetation
TL;DR: In this article, the relationship between various linear combinations of red and photographic infrared radiances and vegetation parameters is investigated, showing that red-IR combinations to be more significant than green-red combinations.
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Overview of the radiometric and biophysical performance of the MODIS vegetation indices
TL;DR: In this paper, the authors evaluated the performance and validity of the MODIS vegetation indices (VI), the normalized difference vegetation index (NDVI) and enhanced vegetation index(EVI), produced at 1-km and 500-m resolutions and 16-day compositing periods.
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A new measure of rank correlation
TL;DR: Rank correlation as mentioned in this paper is a measure of similarity between two rankings of the same set of individuals, and it has been used in psychological work to compare two different rankings of individuals in order to indicate similarity of taste.