You are currently viewing a new version of our website. To view the old version click .

525 Results Found

  • Article
  • Open Access
73 Citations
9,532 Views
21 Pages

11 January 2020

Remotely sensed products are of great significance to estimating global gross primary production (GPP), which helps to provide insight into climate change and the carbon cycle. Nowadays, there are three types of emerging remotely sensed products that...

  • Article
  • Open Access
177 Citations
22,835 Views
38 Pages

Estimation of Terrestrial Global Gross Primary Production (GPP) with Satellite Data-Driven Models and Eddy Covariance Flux Data

  • Joanna Joiner,
  • Yasuko Yoshida,
  • Yao Zhang,
  • Gregory Duveiller,
  • Martin Jung,
  • Alexei Lyapustin,
  • Yujie Wang and
  • Compton J. Tucker

23 August 2018

We estimate global terrestrial gross primary production (GPP) based on models that use satellite data within a simplified light-use efficiency framework that does not rely upon other meteorological inputs. Satellite-based geometry-adjusted reflectanc...

  • Article
  • Open Access
38 Citations
5,413 Views
22 Pages

27 May 2022

The accurate estimation of gross primary production (GPP) is crucial to understanding plant carbon sequestration and grasping the quality of the ecological environment. Nevertheless, due to the inconsistencies of current GPP products, the variations,...

  • Article
  • Open Access
32 Citations
6,502 Views
19 Pages

Global Analysis of the Relationship between Reconstructed Solar-Induced Chlorophyll Fluorescence (SIF) and Gross Primary Production (GPP)

  • Haiqiang Gao,
  • Shuguang Liu,
  • Weizhi Lu,
  • Andrew R. Smith,
  • Rubén Valbuena,
  • Wende Yan,
  • Zhao Wang,
  • Li Xiao,
  • Xi Peng and
  • Qinyuan Li
  • + 6 authors

18 July 2021

Solar-induced chlorophyll fluorescence (SIF) is increasingly known as an effective proxy for plant photosynthesis, and therefore, has great potential in monitoring gross primary production (GPP). However, the relationship between SIF and GPP remains...

  • Article
  • Open Access
27 Citations
6,513 Views
20 Pages

Changes in Gross Primary Production (GPP) over the Past Two Decades Due to Land Use Conversion in a Tourism City

  • I Wayan Nuarsa,
  • Abd. Rahman As-syakur,
  • I Gusti Alit Gunadi and
  • I Made Sukewijaya

Understanding the changes in gross primary production (GPP), which is the total carbon fixation by terrestrial ecosystems through vegetation photosynthesis, due to land use conversion in a tourism city is important for carbon cycle studies. Satellite...

  • Article
  • Open Access
8 Citations
8,168 Views
19 Pages

27 March 2015

An accurate estimation of carbon fluxes is very important in carbon cycle studies. A remote sensing based gross primary production (GPP) and net ecosystem production (NEP) algorithm, RS-CFLUX, was presented in this work. The algorithm was calibrated...

  • Article
  • Open Access
2 Citations
1,984 Views
24 Pages

Modeling Gross Primary Production (GPP) of a Mediterranean Grassland in Central Spain Using Sentinel-2 NDVI and Meteorological Field Information

  • Víctor Cicuéndez,
  • Rosa Inclán,
  • Enrique P. Sánchez-Cañete,
  • Carlos Román-Cascón,
  • César Sáenz and
  • Carlos Yagüe

7 June 2024

Mediterranean grasslands provide different ecosystems and social and economic services to the Mediterranean basin. Specifically, in Spain, pastures occupy more than 55% of the Spanish surface. Farmers and policymakers need to estimate the Gross Prima...

  • Article
  • Open Access
67 Citations
9,120 Views
21 Pages

Large Differences in Terrestrial Vegetation Production Derived from Satellite-Based Light Use Efficiency Models

  • Wenwen Cai,
  • Wenping Yuan,
  • Shunlin Liang,
  • Shuguang Liu,
  • Wenjie Dong,
  • Yang Chen,
  • Dan Liu and
  • Haicheng Zhang

22 September 2014

Terrestrial gross primary production (GPP) is the largest global CO2 flux and determines other ecosystem carbon cycle variables. Light use efficiency (LUE) models may have the most potential to adequately address the spatial and temporal dynamics of...

  • Article
  • Open Access
7 Citations
4,273 Views
19 Pages

28 February 2023

Satellite observations have revealed strong land surface “greening” (i.e., increases in vegetation greenness or leaf area index (LAI)) in the Northern Hemisphere over the past few decades. European terrestrial ecosystems are a greening ho...

  • Proceeding Paper
  • Open Access
2 Citations
1,705 Views
4 Pages

Identification and Modeling Carbon and Energy Fluxes from Eddy Covariance Time Series Measurements in Rice and Rainfed Crops

  • Víctor Cicuéndez,
  • Javier Litago,
  • Víctor Sánchez-Girón,
  • Laura Recuero,
  • César Sáenz and
  • Alicia Palacios-Orueta

Gross primary production (GPP) represents the carbon (C) uptake of ecosystems through photosynthesis and it is the largest flux of the global carbon balance. Our overall objective in this research is to identify and model GPP dynamics and its relatio...

  • Article
  • Open Access
18 Citations
7,262 Views
25 Pages

Spatio-Temporal Relationships between Optical Information and Carbon Fluxes in a Mediterranean Tree-Grass Ecosystem

  • Javier Pacheco-Labrador,
  • Tarek S. El-Madany,
  • M. Pilar Martín,
  • Mirco Migliavacca,
  • Micol Rossini,
  • Arnaud Carrara and
  • Pablo J. Zarco-Tejada

14 June 2017

Spatio-temporal mismatches between Remote Sensing (RS) and Eddy Covariance (EC) data as well as spatial heterogeneity jeopardize terrestrial Gross Primary Production (GPP) modeling. This article combines: (a) high spatial resolution hyperspectral ima...

  • Article
  • Open Access
38 Citations
4,987 Views
20 Pages

4 March 2021

The gross primary production (GPP) is important for regulating the global carbon cycle and climate change. Recent studies have shown that sun-induced chlorophyll fluorescence (SIF) is highly advantageous regarding GPP monitoring. However, using SIF t...

  • Article
  • Open Access
9 Citations
5,514 Views
29 Pages

24 January 2023

The terrestrial gross primary productivity (GPP) plays a crucial role in regional or global ecological environment monitoring and carbon cycle research. Many previous studies have produced multiple products using different models, but there are still...

  • Article
  • Open Access
9 Citations
3,890 Views
17 Pages

Effect of the Partitioning of Diffuse and Direct APAR on GPP Estimation

  • Siyuan Chen,
  • Lichun Sui,
  • Liangyun Liu and
  • Xinjie Liu

23 December 2021

Accurate estimation of gross primary productivity (GPP) is necessary to better understand the interaction of global terrestrial ecosystems with climate change and human activities. Light use efficiency (LUE)-based GPP models are widely used for retri...

  • Article
  • Open Access
76 Citations
14,930 Views
26 Pages

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 W. Running,
  • W. Kolby Smith,
  • Warwick Harris,
  • Nobuko Saigusa and
  • Hiroaki Kondo
  • + 3 authors

7 March 2014

Gross primary production (GPP) plays an important role in the net ecosystem exchange of CO2 between the atmosphere and terrestrial ecosystems. It is particularly important to monitor GPP in Southeast Asia because of increasing rates of tropical fores...

  • Article
  • Open Access
42 Citations
8,643 Views
24 Pages

13 May 2016

MOD17A2 provides near real-time estimates of gross primary production (GPP) globally. In this study, MOD17A2 GPP was evaluated using eddy covariance (EC) flux measurements at eight sites in five various biome types across China. The sensitivity of MO...

  • Article
  • Open Access
74 Citations
8,844 Views
18 Pages

24 December 2014

The aims are to validate and assess the performances of MODIS gross primary production (MODIS-GPP) and evapotranspiration (MODIS-ET) products in China’s different land cover types and their sensitivity to remote sensing input data. In this study, MOD...

  • Article
  • Open Access
7 Citations
1,917 Views
17 Pages

18 September 2023

Terrestrial gross primary productivity (GPP) is the major carbon input to the terrestrial ecosystem. The Yangtze River Basin (YRB) holds a key role in shaping China’s economic and social progress, as well as in ecological and environmental prot...

  • Article
  • Open Access
77 Citations
9,931 Views
17 Pages

23 October 2014

Accurate quantification of gross primary production (GPP) at regional and global scales is essential for carbon budgets and climate change studies. Five models, the vegetation photosynthesis model (VPM), the temperature and greenness model (TG), the...

  • Article
  • Open Access
16 Citations
4,796 Views
20 Pages

SIF-Based GPP Is a Useful Index for Assessing Impacts of Drought on Vegetation: An Example of a Mega-Drought in Yunnan Province, China

  • Chuanhua Li,
  • Lixiao Peng,
  • Min Zhou,
  • Yufei Wei,
  • Lihui Liu,
  • Liangliang Li,
  • Yunfan Liu,
  • Tianbao Dou,
  • Jiahao Chen and
  • Xiaodong Wu

21 March 2022

The impact of drought on terrestrial ecosystem Gross Primary Productivity (GPP) is strong and widespread; therefore, it is important to study the response of terrestrial ecosystem GPP to drought. In this paper, we compared the correlations of Sun-ind...

  • Article
  • Open Access
12 Citations
4,018 Views
17 Pages

Effects of Aerosols on Gross Primary Production from Ecosystems to the Globe

  • Yamei Shu,
  • Shuguang Liu,
  • Zhao Wang,
  • Jingfeng Xiao,
  • Yi Shi,
  • Xi Peng,
  • Haiqiang Gao,
  • Yingping Wang,
  • Wenping Yuan and
  • Wende Yan
  • + 2 authors

8 June 2022

Aerosols affect the gross primary productivity (GPP) of plants by absorbing and scattering solar radiation. However, it is still an open question whether and to what extent the effects of aerosol on the diffuse fraction (Df) can enhance GPP globally....

  • Article
  • Open Access
714 Views
22 Pages

5 August 2025

To investigate the spatiotemporal evolution characteristics and primary driving factors of Gross Primary Productivity (GPP) on the Qinghai-Tibet Plateau, we employed an enhanced MODIS-PSN model. Utilizing the fifth-generation global climate reanalysi...

  • Article
  • Open Access
30 Citations
6,936 Views
19 Pages

Tower-Based Validation and Improvement of MODIS Gross Primary Production in an Alpine Swamp Meadow on the Tibetan Plateau

  • Ben Niu,
  • Yongtao He,
  • Xianzhou Zhang,
  • Gang Fu,
  • Peili Shi,
  • Mingyuan Du,
  • Yangjian Zhang and
  • Ning Zong

13 July 2016

Alpine swamp meadow on the Tibetan Plateau is among the most sensitive areas to climate change. Accurate quantification of the GPP in alpine swamp meadow can benefit our understanding of the global carbon cycle. The 8-day MODerate resolution Imaging...

  • Article
  • Open Access
95 Citations
11,278 Views
27 Pages

Diurnal and Seasonal Variations in Chlorophyll Fluorescence Associated with Photosynthesis at Leaf and Canopy Scales

  • Petya K. E. Campbell,
  • Karl F. Huemmrich,
  • Elizabeth M. Middleton,
  • Lauren A. Ward,
  • Tommaso Julitta,
  • Craig S. T. Daughtry,
  • Andreas Burkart,
  • Andrew L. Russ and
  • William P. Kustas

27 February 2019

There is a critical need for sensitive remote sensing approaches to monitor the parameters governing photosynthesis, at the temporal scales relevant to their natural dynamics. The photochemical reflectance index (PRI) and chlorophyll fluorescence (F)...

  • Article
  • Open Access
41 Citations
7,538 Views
22 Pages

Diurnal and Seasonal Solar Induced Chlorophyll Fluorescence and Photosynthesis in a Boreal Scots Pine Canopy

  • Caroline J. Nichol,
  • Guillaume Drolet,
  • Albert Porcar-Castell,
  • Tom Wade,
  • Neus Sabater,
  • Elizabeth M. Middleton,
  • Chris MacLellan,
  • Janne Levula,
  • Ivan Mammarella and
  • Timo Vesala
  • + 1 author

30 January 2019

Solar induced chlorophyll fluorescence has been shown to be increasingly an useful proxy for the estimation of gross primary productivity (GPP), at a range of spatial scales. Here, we explore the seasonality in a continuous time series of canopy sola...

  • Article
  • Open Access
28 Citations
4,809 Views
19 Pages

27 April 2020

The uncertainty of carbon fluxes of the terrestrial ecosystem is the highest among all flux components, calling for more accurate and efficient means to monitor land sinks. Gross primary productivity (GPP) is a key index to estimate the terrestrial e...

  • Article
  • Open Access
7 Citations
2,225 Views
18 Pages

Temporal Changes in Land Use, Vegetation, and Productivity in Southwest China

  • Xuan Li,
  • Li Rong,
  • Mengmeng Zhang,
  • Wensong Yang,
  • Zhen Zeng,
  • Chengjun Yuan and
  • Qi Wang

17 August 2022

In recent decades, vegetation coverage and land use/land cover (LULC) have constantly changed, especially in southwest China. Therefore, it is necessary to conduct in-depth research into the temporal–spatial variation patterns of vegetation gre...

  • Article
  • Open Access
1,032 Views
23 Pages

8 February 2025

Soil moisture (SM) is evidenced to dominate the interannual variability and trend of regional gross primary production (GPP) in the context of increasing drought and heat extremes, yet only a few light-use efficiency (LUE)-based GPP models consider S...

  • Article
  • Open Access
1 Citations
714 Views
25 Pages

25 June 2025

Vegetation photosynthesis is a key Earth system process that can fix carbon dioxide in the atmosphere. Mountainous areas usually have high productivity and extensive vegetation cover, but their study requires a higher spatiotemporal resolution due to...

  • Article
  • Open Access
1 Citations
1,705 Views
20 Pages

Application of a Random Forest Method to Estimate the Water Use Efficiency on the Qinghai Tibetan Plateau During the 1982–2018 Growing Season

  • Xuemei Wu,
  • Tao Zhou,
  • Jingyu Zeng,
  • Yajie Zhang,
  • Jingzhou Zhang,
  • E Tan,
  • Yin Yu,
  • Qi Zhang and
  • Yancheng Qu

4 February 2025

Water use efficiency (WUE) reflects the quantitative relationship between vegetation gross primary productivity (GPP) and surface evapotranspiration (ET), serving as a crucial indicator for assessing the coupling of carbon and water cycles in ecosyst...

  • Article
  • Open Access
7 Citations
3,220 Views
19 Pages

Investigating the Performance of Red and Far-Red SIF for Monitoring GPP of Alpine Meadow Ecosystems

  • Weina Duan,
  • Xinjie Liu,
  • Jidai Chen,
  • Shanshan Du,
  • Liangyun Liu and
  • Xia Jing

7 June 2022

Alpine meadow ecosystems are extremely vulnerable to climate change and serve an essential function in terrestrial carbon sinks. Accurately estimating their gross primary productivity (GPP) is essential for understanding the global carbon cycle. Sola...

  • Article
  • Open Access
6 Citations
3,479 Views
16 Pages

Development of Hybrid Models to Estimate Gross Primary Productivity at a Near-Natural Peatland Using Sentinel 2 Data and a Light Use Efficiency Model

  • Ruchita Ingle,
  • Saheba Bhatnagar,
  • Bidisha Ghosh,
  • Laurence Gill,
  • Shane Regan,
  • John Connolly and
  • Matthew Saunders

20 March 2023

Peatlands store up to 2320 Mt of carbon (C) on only ~20% of the land area in Ireland; however, approximately 90% of this area has been drained and is emitting up to 10 Mt C per year. Gross primary productivity (GPP) is a one of the key components of...

  • Article
  • Open Access
12 Citations
7,564 Views
20 Pages

21 May 2013

Accurate assessments of spatio-temporal variations in gross primary productivity (GPP), evapotranspiration (ET), and water use efficiency (WUE) play a crucial role in the evaluation of carbon and water balance as well as have considerable effects on...

  • Article
  • Open Access
5 Citations
1,690 Views
25 Pages

Research on Improving the Accuracy of SIF Data in Estimating Gross Primary Productivity in Arid Regions

  • Wei Liu,
  • Yu Wang,
  • Ali Mamtimin,
  • Yongqiang Liu,
  • Jiacheng Gao,
  • Meiqi Song,
  • Ailiyaer Aihaiti,
  • Cong Wen,
  • Fan Yang and
  • Wen Huo
  • + 3 authors

7 August 2024

Coupling solar-induced chlorophyll fluorescence (SIF) with gross primary productivity (GPP) for ecological function integration research presents numerous uncertainties, especially in ecologically fragile and climate-sensitive arid regions. Therefore...

  • Article
  • Open Access
16 Citations
6,912 Views
25 Pages

21 August 2018

Gross primary production (GPP) in forests is the most important carbon flux in terrestrial ecosystems. Forest ecosystems with high leaf area index (LAI) values have diverse species or complex forest structures with vertical stratifications that influ...

  • Article
  • Open Access
1,103 Views
20 Pages

4 March 2025

Ecosystem water use efficiency (WUE) is a key indicator of the coupling between carbon and water cycles. With the increasing frequency of extreme climate events, WUE may also show trends of extremization. Understanding the dominant drivers behind ext...

  • Article
  • Open Access
59 Citations
7,176 Views
18 Pages

13 February 2019

Around the world, the increasing drought, which is exacerbated by climate change, has significant impacts on vegetation carbon assimilation. Identifying how short-term climate anomalies influence vegetation productivity in a timely and accurate manne...

  • Technical Note
  • Open Access
10 Citations
2,889 Views
12 Pages

21 February 2023

The light use efficiency (LUE) model has been widely used in regional and global terrestrial gross primary productivity (GPP) estimation due to its simple structure, few input parameters, and particular theoretical basis. As a key input parameter of...

  • Article
  • Open Access
44 Citations
7,645 Views
18 Pages

Combining Sun-Induced Chlorophyll Fluorescence and Photochemical Reflectance Index Improves Diurnal Modeling of Gross Primary Productivity

  • Anke Schickling,
  • Maria Matveeva,
  • Alexander Damm,
  • Jan H. Schween,
  • Andreas Wahner,
  • Alexander Graf,
  • Susanne Crewell and
  • Uwe Rascher

8 July 2016

Sun-induced chlorophyll fluorescence (F) is a novel remote sensing parameter providing an estimate of actual photosynthetic rates. A combination of this new observable and Monteith’s light use efficiency (LUE) concept was suggested for an advanced mo...

  • Article
  • Open Access
27 Citations
5,827 Views
22 Pages

Nitrogen and Phosphorus Effect on Sun-Induced Fluorescence and Gross Primary Productivity in Mediterranean Grassland

  • David Martini,
  • Javier Pacheco-Labrador,
  • Oscar Perez-Priego,
  • Christiaan van der Tol,
  • Tarek S. El-Madany,
  • Tommaso Julitta,
  • Micol Rossini,
  • Markus Reichstein,
  • Rune Christiansen and
  • Uwe Rascher
  • + 7 authors

31 October 2019

Sun-Induced fluorescence at 760 nm (F760) is increasingly being used to predict gross primary production (GPP) through light use efficiency (LUE) modeling, even though the mechanistic processes that link the two are not well understood. We analyzed t...

  • Article
  • Open Access
1 Citations
2,698 Views
18 Pages

The Influence of Natural and Anthropogenic Forcing on Water and Energy Balance and on Photosynthesis

  • Jaeyoung Song,
  • Sungbo Shim,
  • Ji-Sun Kim,
  • Jae-Hee Lee,
  • Young-Hwa Byun and
  • Yeon-Hee Kim

29 October 2021

Land surface processes are rarely studied in Detection and Attribution Model Inter-comparison Project (DAMIP) experiments on climate change. We analyzed a CMIP6 DAMIP historical experiment by using multi-linear regression (MLRM) and analysis of varia...

  • Article
  • Open Access
8 Citations
3,075 Views
16 Pages

24 December 2020

The carbon use efficiency (CUE) of ecosystems, expressed as the ratio of net primary production (NPP) and gross primary production (GPP), is extremely sensitive to climate change and has a great effect on the carbon cycles of terrestrial ecosystems....

  • Article
  • Open Access
31 Citations
7,985 Views
23 Pages

Upscaling Northern Peatland CO2 Fluxes Using Satellite Remote Sensing Data

  • Sofia Junttila,
  • Julia Kelly,
  • Natascha Kljun,
  • Mika Aurela,
  • Leif Klemedtsson,
  • Annalea Lohila,
  • Mats B. Nilsson,
  • Janne Rinne,
  • Eeva-Stiina Tuittila and
  • Patrik Vestin
  • + 2 authors

23 February 2021

Peatlands play an important role in the global carbon cycle as they contain a large soil carbon stock. However, current climate change could potentially shift peatlands from being carbon sinks to carbon sources. Remote sensing methods provide an oppo...

  • Article
  • Open Access
30 Citations
4,374 Views
18 Pages

28 April 2020

Solar-induced chlorophyll fluorescence (SIF) has been proven to be well correlated with vegetation photosynthesis. Although multiple studies have found that SIF demonstrates a strong correlation with gross primary production (GPP), SIF-based GPP esti...

  • Feature Paper
  • Article
  • Open Access
19 Citations
7,763 Views
22 Pages

Drone-Based Hyperspectral and Thermal Imagery for Quantifying Upland Rice Productivity and Water Use Efficiency after Biochar Application

  • Hongxiao Jin,
  • Christian Josef Köppl,
  • Benjamin M. C. Fischer,
  • Johanna Rojas-Conejo,
  • Mark S. Johnson,
  • Laura Morillas,
  • Steve W. Lyon,
  • Ana M. Durán-Quesada,
  • Andrea Suárez-Serrano and
  • Stefano Manzoni
  • + 1 author

11 May 2021

Miniature hyperspectral and thermal cameras onboard lightweight unmanned aerial vehicles (UAV) bring new opportunities for monitoring land surface variables at unprecedented fine spatial resolution with acceptable accuracy. This research applies hype...

  • Article
  • Open Access
7 Citations
3,731 Views
27 Pages

High-Resolution Monitoring and Assessment of Evapotranspiration and Gross Primary Production Using Remote Sensing in a Typical Arid Region

  • Junxia Yan,
  • Yanfei Ma,
  • Dongyun Zhang,
  • Zechen Li,
  • Weike Zhang,
  • Zhenhua Wu,
  • Hui Wang and
  • Lihua Wen

9 April 2021

Land surface evapotranspiration (ET) and gross primary productivity (GPP) are critical components in terrestrial ecosystems with water and carbon cycles. Large-scale, high-resolution, and accurately quantified ET and GPP values are important fundamen...

  • Article
  • Open Access
68 Citations
8,837 Views
21 Pages

SIFSpec: Measuring Solar-Induced Chlorophyll Fluorescence Observations for Remote Sensing of Photosynthesis

  • Shanshan Du,
  • Liangyun Liu,
  • Xinjie Liu,
  • Jian Guo,
  • Jiaochan Hu,
  • Shaoqiang Wang and
  • Yongguang Zhang

8 July 2019

Solar-induced chlorophyll fluorescence (SIF) is regarded as a proxy for photosynthesis in terrestrial vegetation. Tower-based long-term observations of SIF are very important for gaining further insight into the ecosystem-specific seasonal dynamics o...

  • Review
  • Open Access
99 Citations
10,687 Views
33 Pages

23 August 2016

Accurately assessing terrestrial gross primary productivity (GPP) is crucial for characterizing the climate-carbon cycle. Remotely sensing the photochemical reflectance index (PRI) across vegetation functional types and spatiotemporal scales has rece...

  • Article
  • Open Access
3 Citations
3,073 Views
19 Pages

11 May 2023

Climate, human disturbances, and management practices jointly control the spatial and temporal patterns of land surface phenology. However, most studies solely focus on analyzing the climatic controls on the inter-annual variability and trends in veg...

  • Article
  • Open Access
3 Citations
2,759 Views
21 Pages

Modeling Gross Primary Production of Midwestern US Maize and Soybean Croplands with Satellite and Gridded Weather Data

  • Gunnar Malek-Madani,
  • Elizabeth A. Walter-Shea,
  • Anthony L. Nguy-Robertson,
  • Andrew Suyker and
  • Timothy J. Arkebauer

3 December 2020

Gross primary production (GPP) is a useful metric for determining trends in the terrestrial carbon cycle. To estimate daily GPP, the cloud-adjusted light use efficiency model (LUEc) was developed by adapting a light use efficiency (LUE, ε) mo...

of 11