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Description

The MOD17A3HGF Version 6.1 product provides information about annual Gross and Net Primary Production (GPP and NPP) at 500 meter (m) pixel resolution. Annual Terra Moderate Resolution Imaging Spectroradiometer (MODIS) GPP and NPP is derived from the sum of all 8-day GPP Net Photosynthesis (PSN) products (MOD17A2H) from the given year. The PSN value is the difference of the GPP and the Maintenance Respiration (MR).

The MOD17A3HGF will be generated at the end of each year when the entire yearly 8-day MOD15A2H is available. Hence, the gap-filled MOD17A3HGF is the improved MOD17, which has cleaned the poor-quality inputs from 8-day Leaf Area Index and Fraction of Photosynthetically Active Radiation (LAI/FPAR) based on the Quality Control (QC) label for every pixel. If any LAI/FPAR pixel did not meet the quality screening criteria, its value is determined through linear interpolation. However, users cannot get MOD17A3HGF in near-real time because it will be generated only at the end of a given year.

Known Issues

Version Description

The following changes and improvements were implemented for inputs to the MODIS Version 6.1 NPP data product: (1) Version 6.1 Level-1B (L1B) products have been improved by undergoing various calibration changes that include: changes to the response-versus-scan angle (RVS) approach that affects reflectance bands for Aqua and Terra MODIS, corrections to adjust for the optical crosstalk in Terra MODIS infrared (IR) bands, and corrections to the Terra MODIS forward look-up table (LUT) update for the period 2012 – 2017, (2) A polarization correction has been applied to the L1B Reflective Solar Bands (RSB), and (3) The product uses Climatology Leaf Area Index (LAI) and Fraction of Photosynthetically Active Radiation (FPAR) as back up to the operational LAI/FPAR.

Product Summary

Platforms
Terra
Instruments
MODIS
Projects
TERRA
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Spatial Resolution
500 Meters x 500 Meters
Spatial Reference System(s)
MODIS Sinusoidal Tiling System
Location
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2001-01-01 to Present
Temporal Resolution
1 Year
Data Partner
Land Processes Distributed Active Archive Center (LP DAAC) ,
MODIS Adaptive Processing System, Terrestrial Information Systems Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/TISL/MODAPS)
Concept ID
C2565791034-LPCLOUD
Data State
ACTIVE
Number of Files/Granules
7250
Processing Level
4
Published
Updated
Science Keywords
Photosynthesis ,
Primary Production ,
Vegetation Productivity

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Running, S., & Zhao, M. (2021). MODIS/Terra Net Primary Production Gap-Filled Yearly L4 Global 500m SIN Grid V061 [Dataset]. NASA Land Processes Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MOD17A3HGF.061 Date Accessed: 2026-08-24

File Naming Convention

MOD17A3HGF.A2024001.h17v10.061.2025011052834.hdf

The file name begins with the Product Short Name (MOD17A3HGF) followed by the Julian Date of Acquisition formatted as AYYYYDDD (A2024001), the Tile Identifier which is horizontal tile and vertical tile provided as hXXvYY (h17v10), the Version of the data collection (061), the Julian Date and Time of Production designated as YYYYDDDHHMMSS (2025011052834), and the Data Format (hdf).

Documents

USER'S GUIDE

ALGORITHM THEORETICAL BASIS DOCUMENT (ATBD)

PRODUCT QUALITY ASSESSMENT

SCIENCE DATA PRODUCT VALIDATION

GENERAL DOCUMENTATION

Publications Citing This Dataset

Filters
Title Year Author Topic
Biomass distribution of sympatric mammals in a European temperate forest Pleskalt, Andro, Farias, Sebastiao, Vicedo, Toni, Alvarez-Martinez, Jose Manuel, Roces-Diaz, Jose Valentin, Meloro, Carlo, Pereira, Soraia, Cruz, Antonio, Garcia, Jesus, Gomez, Pablo, Lamillar, Maria Angel, Marsella, Elena, Varas, Manuel Jesus, Alvarez, Elena, Dalerum, Fredrik Photosynthesis, Primary Production, Vegetation Productivity
Climate change impacts livestock carrying capacity in East Africa Duku, Confidence, Diro, Gulilat Tefera, Demissie, Teferi, Dawit, Solomon Photosynthesis, Primary Production, Vegetation Productivity
Bridging scales and borders on water availability and use in the Owusu, Afua, Akpoti, Komlavi, Leh, Mansoor, Perera, Tharindu, Madushanka, Lahiru, Mekonnen, Kirubel, Tinonetsana, Primrose, Tayebi, Noosha, Escalera-Rodriguez, Ana Cecilia, Fofana, Rafatou, Velpuri, Naga Manohar Leaf Area Index (LAI), Fraction Of Absorbed Photosynthetically Active Radiation (fapar), Leaf Characteristics, Photosynthetically Active Radiation, Photosynthesis, Primary Production, Vegetation Productivity
Collection of thematic maps for the Colombia-Cumbal Indigenous Reserve Biomass, Forests, Land Use/Land Cover Classification, Photosynthesis, Primary Production, Vegetation Productivity
Co-deploying biochar and bioenergy with carbon capture and storage Deng, Xu, Teng, Fei, Zhang, Xian, Fan, Jing-Li, Forsell, Nicklas, Reiner, David M. Photosynthesis, Primary Production, Vegetation Productivity
Comprehensive increase in release by dryingrewetting cycles among Japanese forests and pastureland soils and exploring predictors of increasing magnitude Suzuki, Yuri, Hiradate, Syuntaro, Koarashi, Jun, Atarashi-Andoh, Mariko, Yomogida, Takumi, Kanda, Yuki, Nagano, Hirohiko Photosynthesis, Primary Production, Vegetation Productivity
Determination of optimal maize unit area of insurance to support Mbaabu, Neema Kathure, Kenduiywo, Benson Kipkemboi Photosynthesis, Primary Production, Vegetation Productivity, Land Surface Temperature, Emissivity
Decomposition and decoupling of carbon footprint pressure from economic growth under energy system transition in Chinas urban agglomerations: Insights from prefecture-level cities (20002023) Liu, Yushan, Shao, Zhuang, Zhao, Jing Photosynthesis, Primary Production, Vegetation Productivity
Ecosystem carbon use efficiency at global scale from upscaling eddy-covariance data with machine learning and MODIS products Campos-Taberner, M., Gilabert, M. A., Sanchez-Ruiz, S., Martinez, B., Jimenez-Guisado, A., Garcia-Haro, F. J. Land Use/Land Cover Classification, Evapotranspiration, Latent Heat Flux, Reflectance, Anisotropy, Photosynthesis, Primary Production, Vegetation Productivity, Leaf Characteristics, Photosynthetically Active Radiation, Leaf Area Index (LAI), Fraction Of Absorbed Photosynthetically Active Radiation (fapar)
Ecosystem condition emerges from an ecological equation of state applied to North American tree communities Williams, Jake, Pettorelli, Nathalie Photosynthesis, Primary Production, Vegetation Productivity
Ecosystem Health Scenario Prediction and Ecological Efficiency Analysis via the Stochastic Impacts by Regression on Population, Affluence, and Technology Model ... Xiao, Ruiming, Dong, Xiaobin, Wang, Xuechao, Zhang, Peng, Zhou, Zheng, Gong, Changshuo Photosynthesis, Primary Production, Vegetation Productivity
Efficient Evaluation Method for Paddy Field Quality at Plot Scale Based on MultiSource Data and Random Forest Model Li, Xinyue, Yao, Yu, Lyu, Guijia, Wang, Rongtao, Dong, Xinrui, Zhao, Yuanyuan, Li, Shaoming, Zhang, Xiaodong, Liu, Zhe Photosynthesis, Primary Production, Vegetation Productivity
Digital uprating of the soil organic carbon map of Slovakia Cherlinka, Vasyl, Gallay, Michal, Dmytruk, Yuriy, Dent, David Photosynthesis, Primary Production, Vegetation Productivity, Evapotranspiration, Latent Heat Flux
Do perceived and calculated ecosystem services affect residents' human well-being differently? A comparison study in the Guanting Reservoir basin, China Bai, Yansong, Chen, Peiyuan, Ma, Qun, Sun, Xiao, Inostroza, Luis, Huang, Qingxu, Zhou, Yuchen, Zhou, Yihan, Zhang, Ling Photosynthesis, Primary Production, Vegetation Productivity
Divergence in global plant carbon use efficiency across data-driven He, Lei, Penuelas, Josep, Xiao, Jingfeng, Tang, Xiaolu, He, Yue, Si, Menglin, Li, Zhao-Liang Land Use/Land Cover Classification, Photosynthesis, Primary Production, Vegetation Productivity
Converging Patterns of Heterotrophic Respiration Between Growing and Liu, Caiqin, Jiang, Honglei, Guo, Xiali Photosynthesis, Primary Production, Vegetation Productivity
Drivers of soil organic carbon from temperate to alpine forests: a model-based analysis of the Swiss forest soil inventory with Yasso20 Guidi, Claudia, Gosheva-Oney, Sia, Didion, Markus, Flury, Roman, Walthert, Lorenz, Zimmermann, Stephan, Oney, Brian J., Niklaus, Pascal A., Thurig, Esther, Viskari, Toni, Liski, Jari, Hagedorn, Frank Photosynthesis, Primary Production, Vegetation Productivity
Drivers and impacts of sediment deposition in Amazonian floodplains Feng, Dongyu, Tan, Zeli, Pinel, Sebastien, Xu, Donghui, Amaral, Joao Henrique Fernandes, Fassoni-Andrade, Alice Cesar, Bonnet, Marie-Paule, Bisht, Gautam Photosynthesis, Primary Production, Vegetation Productivity, Wetlands, Land Use/Land Cover Classification, Inundation, Drainage, Rivers/Streams, Watershed Characteristics
Drivers and spatial patterns of avian defaunation in tropical forests FerreiroArias, Iago, Santini, Luca, Sagar, H. S. Sathya Chandra, RichardHansen, Cecile, Guilbert, Eric, Forget, PierreMichel, van Kuijk, Marijke, Scabin, Andressa B., Peres, Carlos A., Revilla, Eloy, BenitezLopez, Ana Population Density, Photosynthesis, Primary Production, Vegetation Productivity
Dynamic omnivory shapes the functional role of large carnivores under global change Albrecht, Jorg, Bocherens, Herve, Hobson, Keith A., Drucker, Dorothee G., Sergiel, Agnieszka, Swenson, Jon E., Zedrosser, Andreas, Marciszak, Adrian, Iregren, Elisabeth, Drenzel, Leena, Kysely, Rene, Lipecki, Grzegorz, Makowiecki, Daniel, Wagner, Jan, Zwijacz-Kozica, Tomasz, Fritz, Susanne A., Revilla, Eloy, Selva, Nuria Photosynthesis, Primary Production, Vegetation Productivity
Historical and future dynamics of soil organic carbon and driving Zhang, Lei, Xu, Tongtong, Bai, Yue, Wiesmeier, Martin, Li, Huiwen, Huang, Yue, Liu, Yu, Xie, Beilong, Song, Mingrui, Wu, Jiaru, Liu, Chen Leaf Characteristics, Photosynthetically Active Radiation, Leaf Area Index (LAI), Fraction Of Absorbed Photosynthetically Active Radiation (fapar), Photosynthesis, Primary Production, Vegetation Productivity, Reflectance, Land Surface Temperature, Emissivity, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI)
Human activity augments lightning ignitions to reshape fire seasonality across all biomes on Earth Ellis, Todd M., Bowman, David M. J. S., Williamson, Grant J. Fire Ecology, Biomass Burning, Wildfires, Fire Occurrence, Burned Area, Photosynthesis, Primary Production, Vegetation Productivity
Hydrological drivers of maize productivity: A new analytical framework Zhang, Qichen, Shen, Xiaofang, Dong, Weihong, Su, Xiaosi, Wan, Yuyu, Lyu, Hang, Song, Tiejun Precipitation, Rain, Precipitation Amount, Precipitation Rate, Snow, Land Use/Land Cover Classification, Plant Phenology, Enhanced Vegetation Index (EVI), Evapotranspiration, Photosynthesis, Primary Production, Latent Heat Flux, Vegetation Productivity
How is Gaia doing? Trends in global land degradation and improvement Bai, Zhanguo, Russ, Jason Daniel, Mayr, Kentaro Florian, Dent, David Land Use/Land Cover, Surface Water, Water Resources, Photosynthesis, Primary Production, Vegetation Productivity
Identifying climate and environmental determinants of spatial disparities in wheat production using a geospatial machine learning model Ren, Kai, Song, Yongze, Li, Linchao, Mancini, Francesco, Xiao, Zhuoyao, Zhang, Xueyuan, Qu, Rui, Yu, Qiang Photosynthesis, Primary Production, Vegetation Productivity, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI)
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