Journal ArticleDOI
Land surface phenology, climatic variation, and institutional change: Analyzing agricultural land cover change in Kazakhstan
TLDR
In this paper, the authors used the NDVI time series (1985-1988 and 1995-1999) from the Pathfinder Advanced Very High Resolution Radiometer (AVHRR) Land (PAL) dataset, which consists of 10 days maximum NDVI composites at a spatial resolution of 8 km.About:
This article is published in Remote Sensing of Environment.The article was published on 2004-02-29. It has received 467 citations till now. The article focuses on the topics: Land cover & Agricultural land.read more
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Climate and environmental change in arid Central Asia: impacts, vulnerability, and adaptations.
TL;DR: In this paper, the concepts of vulnerability, adaptation, and mitigation in the context of climate change in Central Asia are examined, and three major aspects of human vulnerability are explored: food security, water stress and human health.
Journal ArticleDOI
Greenness in semi-arid areas across the globe 1981–2007 — an Earth Observing Satellite based analysis of trends and drivers
Rasmus Fensholt,Tobias Langanke,Kjeld Rasmussen,Anette Reenberg,Stephen D. Prince,Compton J. Tucker,Robert J. Scholes,Quang Bao Le,Quang Bao Le,Alberte Bondeau,Alberte Bondeau,Ron Eastman,Howard E. Epstein,Andrea E. Gaughan,Ulf Helldén,Cheikh Mbow,Lennart Olsson,José M. Paruelo,Christian Schweitzer,Jonathan Seaquist,Konrad J Wessels +20 more
TL;DR: In this paper, the authors provided an analysis of trends in vegetation greenness of semi-arid areas using AVHRR GIMMS from 1981 to 2007, and found that greenness increases are found both in semi-arsid areas where precipitation is the dominating limiting factor for plant production (0.019 NDVI units) and in semiarid regions where air temperature is the primarily growth constraint (0.,013 NDVI Units).
Journal ArticleDOI
Tracking the rhythm of the seasons in the face of global change: phenological research in the 21st century.
Jeffrey T. Morisette,Andrew D. Richardson,Alan K. Knapp,Jeremy I. Fisher,Eric Graham,John T. Abatzoglou,Bruce E. Wilson,David D. Breshears,Geoffrey M. Henebry,Jonathan M. Hanes,Liang Liang +10 more
TL;DR: Phenology is the study of recurring life-cycle events, classic examples being the flowering of plants and animal migration as mentioned in this paper, which are increasingly relevant for addressing applied environmental issues.
Journal ArticleDOI
The Vegetation Drought Response Index (VegDRI): A New Integrated Approach for Monitoring Drought Stress in Vegetation
TL;DR: In this article, the Vegetation Drought Response Index (VegDRI) is proposed for monitoring drought-induced vegetation stress, which integrates traditional climate-based drought indicators and satellite-derived vegetation index metrics with other biophysical information to produce a 1 km map of drought conditions that can be produced in near real time.
Journal ArticleDOI
Influences of temperature and precipitation before the growing season on spring phenology in grasslands of the central and eastern Qinghai-Tibetan Plateau
TL;DR: In this paper, the spatial patterns of grassland green-up onset in relation to air temperature and precipitation before the growing season ("preseason" henceforth) in the central and eastern plateau were characterized using linear programming with correlation analysis.
References
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The NCEP/NCAR 40-Year Reanalysis Project
Eugenia Kalnay,Masao Kanamitsu,Robert Kistler,William D. Collins,D.G. Deaven,L. S. Gandin,M. Iredell,Suranjana Saha,Glenn H. White,John S. Woollen,Yuejian Zhu,Muthuvel Chelliah,Wesley Ebisuzaki,Wayne Higgins,John E. Janowiak,Kingtse C. Mo,Chester F. Ropelewski,Julian X. L. Wang,Ants Leetmaa,Richard W. Reynolds,Roy L. Jenne,Dennis Joseph +21 more
TL;DR: The NCEP/NCAR 40-yr reanalysis uses a frozen state-of-the-art global data assimilation system and a database as complete as possible, except that the horizontal resolution is T62 (about 210 km) as discussed by the authors.
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Terrestrial Ecoregions of the World: A New Map of Life on Earth
Journal ArticleDOI
Increased plant growth in the northern high latitudes from 1981 to 1991
TL;DR: In this paper, the authors present evidence from satellite data that the photosynthetic activity of terrestrial vegetation increased from 1981 to 1991 in a manner that is suggestive of an increase in plant growth associated with a lengthening of the active growing season.
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Agricultural Intensification and Ecosystem Properties
TL;DR: The use of ecologically based management strategies can increase the sustainability of agricultural production while reducing off-site consequences and have serious local, regional, and global environmental consequences.
Journal ArticleDOI
Characteristics of maximum-value composite images from temporal AVHRR data
TL;DR: In this paper, satellite data from the Advanced Very High Resolution Radiometer sensor have been processed over several days and combined to produce spatially continuous cloud-free imagery over large areas with sufficient temporal resolution to study green-vegetation dynamics.