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Comparison of Gross Primary Productivity Derived from GIMMS NDVI3g, GIMMS, and MODIS in Southeast Asia
2014
Remote Sensing
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Gross primary production (GPP) plays an important role in the net ecosystem exchange of CO 2 between the atmosphere and terrestrial ecosystems. ...
Our results indicate that GIMMS NDVI3g is an effective dataset for regional GPP simulation in Southeast Asia, capable of accurately tracking the variation and trends in long-term terrestrial ecosystem ...
49, 50] , the MODIS primary production products were applied for comparison with GIMMS NDVI3g based GPP. ...
doi:10.3390/rs6032108
fatcat:genqm7lcfnf2bkbhy7pvp5bz7u
Evaluating and Quantifying the Climate-Driven Interannual Variability in Global Inventory Modeling and Mapping Studies (GIMMS) Normalized Difference Vegetation Index (NDVI3g) at Global Scales
2013
Remote Sensing
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index (GIMMS NDVI3g). ...
Nevertheless, this study demonstrates that GIMMS NDVI3g represents real responses of vegetation to climate variability that are useful for global models. ...
Morton, Bin Tan, and Koen Hufkens for their assistance in phenology data acquisition and processing. We thank Sietse O. Los for his feedbacks to this manuscript. ...
doi:10.3390/rs5083918
fatcat:dofgk2eq5nefdj4gjslosbrihe
Recent Changes in Terrestrial Gross Primary Productivity in Asia from 1982 to 2011
2013
Remote Sensing
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Past changes in gross primary productivity (GPP) were assessed using historical satellite observations based on the Normalized Difference Vegetation Index (NDVI) from the Advanced Very High Resolution ...
and NDVI in Asia. ...
Acknowledgments We acknowledge Takahiro Sasai for valuable comments and discussions. ...
doi:10.3390/rs5116043
fatcat:i7li4scigjf35gyb2h73dlz3vi
Assessment of varying changes of vegetation and the response to climatic factors using GIMMS NDVI3g on the Tibetan Plateau
2020
PLoS ONE
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In this study, the spatiotemporal changes of growing season vegetation index (GSVI) on the TP were analyzed using various methods from pixel level to ecoregion level. ...
The interannual variation of the long-term GSVI was most significant in the Qaidam Basin and southern forest. ...
Acknowledgments We would like to thank the PI and other scientists at Data Assimilation and Modeling Center for Tibetan Multi-spheres, Institute of Tibetan Plateau Research, Chinese Academy of Sciences ...
doi:10.1371/journal.pone.0234848
pmid:32555722
fatcat:bckpedv5crer3ppimnq6xgfaja
Numerical simulation of supercritical catalytic steam reforming of aviation kerosene coupling with coking and heat transfer in mini-channel
2019
International journal of thermal sciences
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Simulated leaf area index (LAI) and gross primary production (GPP) were evaluated against observation-based data. ...
CV is found to dominate the variability of FRAC, LAI, and GPP in the semi-humid and semi-arid areas. ...
Figure 5 . 5 The 1982-2007 average gross primary production comparison for (a) FLUXNET-MTE GPP and (b) difference between SSiB4/TRIFFID and FLUXNET-MTE GPP. ...
doi:10.1016/j.ijthermalsci.2018.10.039
fatcat:5thq3tdhizdezhsej6bjcfnutm
Global vegetation variability and its response to elevated CO2, global warming, and climate variability – a study using the offline SSiB4/TRIFFID model and satellite data
2019
Earth System Dynamics
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Simulated leaf area index (LAI) and gross primary production (GPP) were evaluated against observation-based data. ...
CV is found to dominate the variability of FRAC, LAI, and GPP in the semi-humid and semi-arid areas. ...
Figure 5 . 5 The 1982-2007 average gross primary production comparison for (a) FLUXNET-MTE GPP and (b) difference between SSiB4/TRIFFID and FLUXNET-MTE GPP. ...
doi:10.5194/esd-10-9-2019
fatcat:ixfndewjbnb3hg2husrhkfevei
Intercomparison of Seven NDVI Products over the United States and Mexico
2014
Remote Sensing
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Finally, weak agreement between the trends in the datasets stresses the importance of using multiple datasets to evaluate changes in vegetation and its phenology. ...
These trends are less well-defined over rainfall dependent ecosystems in Mexico and the southwest US Compared with the NDVI datasets, the derived GVF datasets show more one-to-one relationships, have reduced ...
Brown and Ranga Myneni are thanked for providing the NDVIg and NDVI3g data respectively. ...
doi:10.3390/rs6021057
fatcat:uiaigw47anhtjems6tb4tq4cu4
Changes in vegetation photosynthetic activity trends across the Asia–Pacific region over the last three decades
2014
Remote Sensing of Environment
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Using these data we investigated the changes in the vegetation photosynthetic activity in the Asia-Pacific (AP) (including Australia, South East Asia, China, and the Pacific Coast of North America) region ...
In the Asia-Australia (AA) subarea of the AP, vegetation greening slowly increased at 8.71 × 10 −4 NDVI yr − 1 before 2003 and then increased to 28.30 × 10 −4 NDVI yr −1 after 2003. ...
Globally, trends in the GIMMS NDVI3g compare favorably with trends derived from Landsat (Beck et al., 2011) and Moderate Resolution Imaging Spectrometer (MODIS) NDVI (Fensholt & Proud, 2012; Zeng et ...
doi:10.1016/j.rse.2013.12.018
fatcat:atmobzkz2fhwphpcypofezx6pu
Global vegetation variability and its response to elevated CO2, global warming, and climate variability – a study using the offline SSiB4/TRIFFID model and satellite data
2018
Earth System Dynamics Discussions
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Simulated Leaf Area Index (LAI) and Gross Primary Product (GPP) were evaluated against observation-based data. ...
CV is found to dominate the variability of FRAC, LAI, and GPP in the semi-humid and semi-arid areas. ...
Figure 7 . 7 1982-2007 average gross primary product comparison for a) MTE GPP, and b) SSiB4/TRIFFID simulated GPP. SCC indicates the spatial correlation coefficient. ...
doi:10.5194/esd-2018-40
fatcat:hjhbpr4vjrcm7pa2usgxpr3owa
Assessing Terrestrial Ecosystem Resilience using Satellite Leaf Area Index
2020
Remote Sensing
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In this study, we assessed global terrestrial ecosystem resilience based on the long time-series GLASS LAI product and GIMMS AVHRR LAI 3g product, and validated the results using drought and fire events ...
Quantitative approaches to measuring and assessing terrestrial ecosystem resilience, which expresses the ability of an ecosystem to recover from disturbances without shifting to an alternative state or ...
Compared with Gross Primary Productivity (GPP) and biomass, LAI is a measurable index in the field, and LAI is directly estimated from remote sensing data using physical models, while GPP and biomass are ...
doi:10.3390/rs12040595
fatcat:sbrqf34sajd63ljnitm7ufggge
Detection of Positive Gross Primary Production Extremes in Terrestrial Ecosystems of China During 1982-2015 and Analysis of Climate Contribution
2018
Journal of Geophysical Research - Biogeosciences
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Gross primary productivity (GPP) quantifies the photosynthetic uptake of carbon by terrestrial ecosystems. ...
In this study, we used three ecological models: the Boreal Ecosystem Productivity Simulator, the Terrestrial Ecosystem Carbon flux model, and the Global Production Efficiency Model coupled with the Carbon ...
The Global Inventory Modeling and Mapping Studies (GIMMS) data used in this study were downloaded from https://ecocast. arc.nasa.gov/data/pub/gimms/3g.v1/. ...
doi:10.1029/2018jg004489
fatcat:iiddhcgxrfelznj7sucmcvl5bq
Satellite-Observed Global Terrestrial Vegetation Production in Response to Water Availability
2021
Remote Sensing
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Here, we estimated monthly gross primary productivity (GPP) first based on light-use efficiency (LUE) models for 1982–2015. ...
Water stress is one of the primary environmental factors that limits terrestrial ecosystems' productivity. ...
Fraction of Photosynthetically Active Radiation (FPAR)3g data were generated from AVHRR GIMMS NDVI3g using an Artificial Neural Network (ANN) derived model, with a spatial resolution of 1/12 • and a 15 ...
doi:10.3390/rs13071289
fatcat:bcwbvgpmbnfhdcrz6zumkhgtp4
Assessment of Vegetation Trends in Drylands from Time Series of Earth Observation Data
[chapter]
2015
Remote Sensing Time Series
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Ministry of Education and Research (BMBF) in the frame of the funding measure "Sustainable Land Management". ...
Acknowledgement We highly appreciate that all MODIS, Landsat and DEM data were provided free of charge by the National Aeronautics and Space Administration(NASA), the National Oceanic and Atmospheric Administration ...
The latest version of the GIMMS NDVI data set spans the period July 1981 to December 2011 and is termed NDVI3g (third generation GIMMS NDVI from AVHRR) (Pinzon and Tucker 2014). ...
doi:10.1007/978-3-319-15967-6_8
fatcat:2cl5kwf33zg7hl2k3syukjpa6q
Modeling Hydrological Appraisal of Potential Land Cover Change and Vegetation Dynamics under Environmental Changes in a Forest Basin
2018
Forests
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An integrated multi-model approach to predict future land cover in the Da River Basin in Vietnam was developed to analyze future impacts of land cover change on streamflow and sediment load. ...
The applied integrated modeling approach provides a comprehensive evaluation of land/forest cover change effects on the river discharge and sediment load, which is essential in understanding human impacts ...
We would like to express our thanks to Hiroshi Ishidaira for his guidance in the writing process of this paper. ...
doi:10.3390/f9080451
fatcat:jp42vt4debbfxg7m6zioqnnqiu
Projections of leaf area index in earth system models
2016
Earth System Dynamics
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On average, the models project increases in LAI in both RCP8.5 and RCP4.5 over most of the globe, but also show decreases in some parts of the tropics. ...
Here our goal is to characterize the LAI projections from the latest generation of earth system models (ESMs) for the Representative Concentration Pathway (RCP) 8.5 and RCP4.5 scenarios. ...
We acknowledge the assistance of the LAI development group for making the LAI 3g product available, and the NOAA/OAR/ESRL PSD group for making the GPCP and GHCN gridded products available online at http ...
doi:10.5194/esd-7-211-2016
fatcat:cmq2phmkofhfxkx4wbzay263wa
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