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Comparison of Gross Primary Productivity Derived from GIMMS NDVI3g, GIMMS, and MODIS in Southeast Asia

Junbang Wang, Jingwei Dong, Jiyuan Liu, Mei Huang, Guicai Li, Steven Running, W. Smith, Warwick Harris, Nobuko Saigusa, Hiroaki Kondo, Yunfen Liu, Takashi Hirano (+1 others)
2014 Remote Sensing  
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

Fan-Wei Zeng, G. Collatz, Jorge Pinzon, Alvaro Ivanoff
2013 Remote Sensing  
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

Kazuhito Ichii, Masayuki Kondo, Yuki Okabe, Masahito Ueyama, Hideki Kobayashi, Seung-Jae Lee, Nobuko Saigusa, Zaichun Zhu, Ranga Myneni
2013 Remote Sensing  
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

Yuke Zhou, Junfu Fan, Xiaoying Wang, Franck Jabot
2020 PLoS ONE  
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

Shuyuan Liu, Yu Feng, Yong Cao, Keyu Gong, Weixing Zhou, Wen Bao
2019 International journal of thermal sciences  
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

Ye Liu, Yongkang Xue, Glen MacDonald, Peter Cox, Zhengqiu Zhang
2019 Earth System Dynamics  
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

William Scheftic, Xubin Zeng, Patrick Broxton, Michael Brunke
2014 Remote Sensing  
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

Baozhang Chen, Guang Xu, Nicholas C. Coops, Philippe Ciais, John L. Innes, Guangyu Wang, Ranga B. Myneni, Tongli Wang, Judi Krzyzanowski, Qinglin Li, Lin Cao, Ying Liu
2014 Remote Sensing of Environment  
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

Ye Liu, Yongkang Xue, Glen MacDonald, Peter Cox, Zhengqiu Zhang
2018 Earth System Dynamics Discussions  
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

Wu, Liang
2020 Remote Sensing  
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

Miaomiao Wang, Shaoqiang Wang, Junbang Wang, Hao Yan, Robert A. Mickler, Hao Shi, Honglin He, Mei Huang, Lei Zhou
2018 Journal of Geophysical Research - Biogeosciences  
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

Yuan Zhang, Xiaoming Feng, Bojie Fu, Yongzhe Chen, Xiaofeng Wang
2021 Remote Sensing  
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]

Rasmus Fensholt, Stephanie Horion, Torbern Tagesson, Andrea Ehammer, Kenneth Grogan, Feng Tian, Silvia Huber, Jan Verbesselt, Stephen D. Prince, Compton J. Tucker, Kjeld Rasmussen
2015 Remote Sensing Time Series  
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

Jie Wang, Shaowei Ning, Timur Khujanazarov
2018 Forests  
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

Natalie Mahowald, Fiona Lo, Yun Zheng, Laura Harrison, Chris Funk, Danica Lombardozzi, Christine Goodale
2016 Earth System Dynamics  
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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