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Description

The Land Processes Distributed Active Archive Center (LP DAAC) is responsible for the archive and distribution of NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) SRTM, which includes the global 3 arc second (~90 meter) product. The 3 arc second data was derived from the 1 arc second using averaging methods. (See Figure 3 in the User Guide)

The NASA SRTM data sets result from a collaborative effort by the National Aeronautics and Space Administration (NASA) and the National Geospatial-Intelligence Agency (NGA - previously known as the National Imagery and Mapping Agency, or NIMA), as well as the participation of the German and Italian space agencies. This collaboration aims to generate a near-global digital elevation model (DEM) of Earth using radar interferometry. SRTM was the primary (and virtually only) payload on the STS-99 mission of the Space Shuttle Endeavour, which launched February 11, 2000 and flew for 11 days.

The SRTM swaths extended from ~30 degrees off-nadir to ~58 degrees off-nadir from an altitude of 233 kilometers (km), creating swaths ~225 km wide, and consisted of all land between 60° N and 56° S latitude to account for 80% of Earth's total landmass.

The SRTMGL3 data were generated from SRTM1GL data that fall within that tile. These elevation files use the extension ".HGT", meaning height (such as N37W105.SRTMGL3.HGT). The primary goal of creating the Version 3 data was to eliminate gaps, or voids, that were present in earlier versions of SRTM data. In areas with limited data, existing topographical data were used to supplement the SRTM data to fill the voids. The source of each elevation pixel is identified in the corresponding SRTMGL3N product (such as N37W105.SRTMGL3N.NUM).

The global 3 arc second SRTM product is also available in NetCDF4 format as the SRTMGL3_NC dataset with the source of each elevation pixel in the corresponding SRTMGL3_NUMNC product.

Known Issues

  • Known issues in the NASA SRTM are described in the following publication:

Version Description

The following improvement was implemented for SRTM Version 3 data products: Missing data or voids were filled with ASTER Global Digital Elevation Model (GDEM) Version 2, the Global Multi-resolution Terrain Elevation Data 2010 (GMTED2010), or the National Elevation Dataset (NED).

Product Summary

Platforms
STS-99
Instruments
SRTM
Spatial Extent

N: 60 S: -56 E: 180 W: -180

Spatial Resolution
90 Meters x 90 Meters
Location
GLOBAL LAND
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2000-02-11 to 2000-02-21
Temporal Resolution
11 Day
Data Partner
Land Processes Distributed Active Archive Center (LP DAAC) ,
Shuttle Radar Topography Mission Project Office, Jet Propulsion Laboratory, NASA (NASA/JPL/SRTM)
Concept ID
C2763266377-LPCLOUD
Data State
COMPLETE
Number of Files/Granules
14297
Processing Level
3
Published
Updated
Science Keywords
RADAR IMAGERY ,
Terrain Elevation ,
Digital Elevation/Terrain Model (DEM)

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

NASA JPL. (2013). NASA Shuttle Radar Topography Mission Global 3 arc second [Data set]. NASA Land Processes Distributed Active Archive Center. https://doi.org/10.5067/MEASURES/SRTM/SRTMGL3.003 Date Accessed: 2026-05-04

File Naming Convention

N00E109.hgt

The file name begins with the latitude and longitude of the lower left corner of the tile (N00E109) followed by the Data Format (hgt).

Documents

Publications Citing This Dataset

Filters
Title Year Author Topic
Selective felling as incidental less-destructive harvesting: Agarwood collection by Punan Aput in North Kalimantan, Indonesia Sano, Yosuke, Inoue, Makoto RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Tradeoffs Between Temporal and Spatial Pattern Calibration and Their Demirel, M. C., Koch, J., Rakovec, O., Kumar, R., Mai, J., Muller, S., Thober, S., Samaniego, L., Stisen, S. RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM), Evapotranspiration, Latent Heat Flux
Unveiling the future water pulse of central asia: a comprehensive 21st century hydrological forecast from stochastic water balance modeling Siegfried, Tobias, Mujahid, Aziz Ul Haq, Marti, Beatrice, Molnar, Peter, Karger, Dirk Nikolaus, Yakovlev, Andrey RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM), Glacier Ablation, Glacier Accumulation, Glacier Area, Glacier Mass, Glacier Melt, Glacier Refreeze, Glacier Runoff
Winter greening on the Tibetan Plateau induced by climate warming over Lv, Jinxia, Yang, Wei, Shen, Miaogen, Liang, Eryuan, Jiang, Yuan, Chen, Jin, Chen, Xuehong, Jiang, Nan, Liu, Licong, Zhao, Wenwu, Penuelas, Josep RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM), Land Use/Land Cover Classification, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), Reflectance, Anisotropy
Irregular rupture process of the 2022 Taitung, Taiwan, earthquake sequence Yagi, Yuji, Okuwaki, Ryo, Enescu, Bogdan, Lu, Junjie RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Multi-Source Soil Moisture Data Fusion Based on Spherical Cap Harmonic Chen, Hao, Chen, Peng, Wang, Rong, Qiu, Liangcai, Tang, Fucai, Xiong, Mingzhu Surface Pressure, Heat Flux, Longwave Radiation, Shortwave Radiation, Surface Temperature, Humidity, Evapotranspiration, Surface Winds, Rain, Precipitation Rate, Snow, Soil Moisture/Water Content, Soil Temperature, Land Surface Temperature, Snow Water Equivalent, Runoff, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Influence of spatial heterogeneity on landslide susceptibility in the transboundary area of the Himalayas Sun, Haiqing, Li, Weiyue, Scaioni, Marco, Fu, Jing, Guo, Xin, Gao, Jun RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM), Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI)
Exploring high-resolution near-surface CO concentrations based on Himawari-8 top-of-atmosphere radiation data: Assessing the distribution of city-level CO hotspots ... Chen, Bin, Hu, Jiashun, Song, Zhihao, Zhou, Xingzhao, Zhao, Lin, Wang, Yixuan, Chen, Ruming, Ren, Yuxiang Atmospheric Carbon Monoxide, Carbon Monoxide, Atmospheric Ozone, Population Size, Atmospheric Chemistry, Carbon And Hydrocarbon Compounds, Air Quality, Atmospheric Temperature, Surface Temperature, Atmospheric Pressure, Surface Pressure, Atmospheric Water Vapor, Water Vapor Indicators, Water Vapor, Carbon Monoxide Profiles, Land Use/Land Cover Classification, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Habitat determinants of species occupancy and niche partitioning among sympatric owlets: the paradoxical role of agricultural lands for the endangered ... Khan, Zainab, Sushma, H., Antony B, Paul, Koli, Kaushik, Neema, Aditi, Meera, M R, Arasumani, M, Robin, V.V., Jayapal, Rajah, Mukherjee, Shomita Terrain Elevation, Digital Elevation/Terrain Model (DEM), Topographical Relief Maps, RADAR IMAGERY
Active thrust tectonics along the western slope of the Central Andes southernmost Pampean flat-slab segment (~ 33 S, Chile): The Carino Botado fault system Estay, J., Pinto, L., Easton, G., De Pascale, G.P., Troncoso, M., Carretier, S., Forman, S.L. RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Accounting for Deciduous Forest Structure and Viewing Geometry Effects Zehner, Markus, Dubois, Clemence, Thiel, Christian, Schellenberg, Konstantin, Ruetschi, Marius, Brenning, Alexander, Baade, Jussi, Schmullius, Christiane RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
A Multimodal Event Catalog and Waveform Data Set That Supports Explosion Monitoring from Nevada, USA Rodd, Rebecca L., Brogan, Ronald A., Carmichael, Josh D., Price, Amanda C., Young, Chris J. RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Coherence of Bangui Magnetic Anomaly with Topographic and Gravity Lemenkova, Polina, Debeir, Olivier RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Deep learning and data fusion to estimate surface soil moisture from Singh, Abhilash, Gaurav, Kumar RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM)
Defining Optimal Location of Constructed Wetlands in Vojvodina, Serbia Antic, Sanja, Benka, Pavel, Blagojevic, Bosko, Santrac, Nikola, Salvai, Andrea, Stajic, Milica, Zemunac, Rados, Bezdan, Jovana RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
The Global Wind Atlas: A high-resolution dataset of climatologies and associated web-based application Davis, Neil N., Badger, Jake, Hahmann, Andrea N., Hansen, Brian O., Mortensen, Niels G., Kelly, Mark, Larsen, Xiaoli G., Olsen, Bjarke T., Floors, Rogier, Lizcano, Gil, Casso, Pau, Lacave, Oriol, Bosch, Albert, Bauwens, Ides, Knight, Oliver James, Potter van Loon, Albertine, Fox, Rachel, Parvanyan, Tigran, Krohn Hansen, Sren Bo, Heathfield, Duncan, Onninen, Marko, Drummond, Ray RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Territorial Features of Manifesting Hazardous Hydrological Phenomena in the Altai Republic Zhuravleva, Olga V., Karanin, Andrey V., Sukhova, Maria G. RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Shifted discharge and drier soils: Hydrological projections for a Central Asian catchment Schaffhauser, Timo, Lange, Stefan, Tuo, Ye, Disse, Markus RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Waterborne Disease Risk Assessment and Mapping for a Floating Village by Combining 3D Hydraulic Simulation and Quantitative Microbial Risk Assessment Nakamura, Takashi, Fujii, Hideto, Watanabe, Toru, Ly, Sarann, Lun, Sambo, Fujihara, Yoichi, Hoshikawa, Keisuke, Miyanaga, Kazuhiko, Yoshimura, Chihiro RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM)
Irregular rupture propagation and geometric fault complexities during the 2010 Mw 7.2 El Mayor-Cucapah earthquake Yamashita, Shinji, Yagi, Yuji, Okuwaki, Ryo RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Integrating topographic knowledge into deep learning for the void-filling of digital elevation models Li, Sijin, Hu, Guanghui, Cheng, Xinghua, Xiong, Liyang, Tang, Guoan, Strobl, Josef Terrain Elevation, Digital Elevation/Terrain Model (DEM), Topographical Relief Maps, RADAR IMAGERY
Monitoring land degradation and assessing its drivers to support sustainable development goal 15.3 in Central Asia Jiang, Liangliang, Bao, Anming, Jiapaer, Guli, Liu, Rui, Yuan, Ye, Yu, Tao Land Surface Temperature, Emissivity, Photosynthesis, Primary Production, VEGETATION PRODUCTIVITY, Albedo, Anisotropy, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Modeling Streamflow at the Iberian Peninsula Scale Using MOHID-Land: Challenges from a Coarse Scale Approach Oliveira, Ana R., Ramos, Tiago B., Simionesei, Lucian, Goncalves, Maria C., Neves, Ramiro RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Effects of Offsets and Outliers on the Sea Level Trend at Antalya 2 Tide Gauge within the Eastern Mediterranean Sea Ayhan, Mehmet Emin RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Emergence of monopolyCopper exchange networks during the Late Bronze Age in the western and central Balkans Gavranovic, Mario, Mehofer, Mathias, Kapuran, Aleksandar, Koledin, Jovan, Mitrovic, Jovan, Papazovska, Aleksandra, Pravidur, Andrijana, orevic, Aca, Jacanovic, Dragan RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Geographical accessibility to the supply of antiophidic sera in BrazilTimely access possibilities Oliveira, Ricardo Antunes Dantas de, Silva, Diego Ricardo Xavier, Silva, Mauricio Goncalves e RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Landslide susceptibility assessment using AHP model and multi resolution DEMs along a highway in Manipur, India Chanu, Malemnganbi Lourembam, Bakimchandra, Oinam RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Real vehicle fuel consumption in logistic corridors Huertas, Jose I., Serrano-Guevara, Oscar, Diaz-Ramirez, Jenny, Prato, Daniel, Tabares, Lina RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
All-sky 1 km MODIS land surface temperature reconstruction considering cloud effects based on machine learning Cho, Dongjin, Bae, Dukwon, Yoo, Cheolhee, Im, Jungho, Lee, Yeonsu, Lee, Siwoo Land Use/Land Cover Classification, Land Surface Temperature, Emissivity, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Climatic legacy effects on the drought response of the Amazon rainforest Van Passel, Johanna, de Keersmaecker, Wanda, Bernardino, Paulo N., Jing, Xin, Umlauf, Nikolaus, Van Meerbeek, Koenraad, Somers, Ben Reflectance, Anisotropy, Albedo, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Fire Ecology, Biomass Burning, Wildfires, Fire Occurrence, Topographical Relief Maps, Canopy Characteristics, Evergreen Vegetation, Crown, Deciduous Vegetation, Leaf Characteristics, Vegetation Cover, Land Use/Land Cover Classification, Burned Area
Ancient DNA and deep population structure in sub-Saharan African foragers Lipson, Mark, Sawchuk, Elizabeth A., Thompson, Jessica C., Oppenheimer, Jonas, Tryon, Christian A., Ranhorn, Kathryn L., de Luna, Kathryn M., Sirak, Kendra A., Olalde, Inigo, Ambrose, Stanley H., Arthur, John W., Arthur, Kathryn J. W., Ayodo, George, Bertacchi, Alex, Cerezo-Roman, Jessica I., Culleton, Brendan J., Curtis, Matthew C., Davis, Jacob, Gidna, Agness O., Hanson, Annalys, Kaliba, Potiphar, Katongo, Maggie, Kwekason, Amandus, Laird, Myra F., Lewis, Jason, Mabulla, Audax Z. P., Mapemba, Fredrick, Morris, Alan, Mudenda, George, Mwafulirwa, Raphael, Mwangomba, Daudi, Ndiema, Emmanuel, Ogola, Christine, Schilt, Flora, Willoughby, Pamela R., Wright, David K., Zipkin, Andrew, Pinhasi, Ron, Kennett, Douglas J., Manthi, Fredrick Kyalo, Rohland, Nadin, Patterson, Nick, Reich, David, Prendergast, Mary E. RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Development of a new index for automated mapping of ratoon rice areas using time-series normalized difference vegetation index imagery LI, Bolun, PENG, Shaobing, SHEN, Runping, YANG, Zong-Liang, YAN, Xiaoyuan, LI, Xiaofeng, LI, Rongrong, LI, Chengye, ZHANG, Guangbin Land Use/Land Cover Classification, Reflectance, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Optimising scale and deployment of community health workers in Sierra Oliphant, Nicholas Paul, Ray, Nicolas, Curtis, Andrew, Musa, Elizabeth, Sesay, Momodu, Kandeh, Joseph, Kamara, Anitta, Hassen, Kebir, OConnor, Shane, Suehiro, Yuki, Legesse, Hailemariam, Chimoun, Ebeny Francois Temgbait, Jackson, Debra, Doherty, Tanya RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Spatial patterns and driving factors of aboveground and belowground biomass over the eastern Eurasian steppe Ding, Lei, Li, Zhenwang, Shen, Beibei, Wang, Xu, Xu, Dawei, Yan, Ruirui, Yan, Yuchun, Xin, Xiaoping, Xiao, Jingfeng, Li, Ming, Wang, Ping Reflectance, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Sensitivity of pollutant concentrations to the turbulence schemes of a dispersion modelling chain over complex orography Bellini, Annachiara, Golzio, Alessio, Magri, Tiziana, Ferrarese, Silvia, Pession, Giordano, Manfrin, Massimiliano RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Sea-level rise from land subsidence in major coastal cities Tay, Cheryl, Lindsey, Eric O., Chin, Shi Tong, McCaughey, Jamie W., Bekaert, David, Nguyen, Michele, Hua, Hook, Manipon, Gerald, Karim, Mohammed, Horton, Benjamin P., Li, Tanghua, Hill, Emma M. RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM)
8-day and daily maximum and minimum air temperature estimation via machine learning method on a climate zone to global scale Zeng, Linglin, Hu, Yuchao, Wang, Rui, Zhang, Xiang, Peng, Guozhang, Huang, Zhenyu, Zhou, Guoqing, Xiang, Daxiang, Meng, Ran, Wu, Weixiong, Hu, Shun Emissivity, Land Surface Temperature, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), Albedo, Anisotropy, Reflectance, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
A neural-network based spatial resolution downscaling method for soil moisture: Case study of qinghai province Lv, Aifeng, Zhang, Zhilin, Zhu, Hongchun Reflectance, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Land Use/Land Cover Classification, Land Surface Temperature, Emissivity
A multi-factor integrated method of calculation unit delineation for Li, Bu, Zhou, Xing, Ni, Guangheng, Cao, Xuejian, Tian, Fuqiang, Sun, Ting Land Use/Land Cover Classification, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Evapotranspiration, Latent Heat Flux
Iron Age glass-working in Moravia, Central Europe: new archaeometric research on raw glass and waste3rdfirst century BC Rolland, Joelle, Venclova, Natalie RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Mapping Bioclimatic Indices by Downscaling MODIS Land Surface Morin, Gwenael, LE ROUX, Renan, Lemasle, Pierre-Gilles, Quenol, Herve Land Surface Temperature, Emissivity, RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM)
Mapping rice area and yield in northeastern asia by incorporating a crop model with dense vegetation index profiles from a geostationary satellite Yeom, Jong-Min, Jeong, Seungtaek, Deo, Ravinesh C, Ko, Jonghan RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Reflectance
Monitoring vegetation change and its potential drivers in inner mongolia from 2000 to 2019 Kang, Yao, Guo, Enliang, Wang, Yongfang, Bao, Yulong, Bao, Yuhai, Mandula, Naren RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI)
Identifying surface urban heat island drivers and their spatial heterogeneity in Chinas 281 citiesAn empirical study based on multiscale geographically weighted regression Niu, Lu, Zhang, Zhengfeng, Peng, Zhong, Liang, Yingzi, Liu, Meng, Jiang, Yazhen, Wei, Jing, Tang, Ronglin RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Land Surface Temperature, Emissivity, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI)
Impact of data sources to DEM construction and application to runoff and sediment yield modelling using LISEM model de Barros, C A P, Minella, J P G, Schlesner, A A, Ramon, R, Copetti, A C RADAR IMAGERY, Terrain Elevation, Topographical Relief Maps, Digital Elevation/Terrain Model (DEM)
Oblique plate collision and orogenic translation of the Southern Basso, Jessica, Artoni, Andrea, Torelli, Luigi, Polonia, Alina, Carlini, Mirko, Gasperini, Luca, Mussoni, Paola RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Estimation of surface-level NO2 and O-3 concentrations using TROPOMI Kang, Yoojin, Choi, Hyunyoung, Im, Jungho, Park, Seohui, Shin, Minso, Song, Chang-Keun, Kim, Sangmin Land Use/Land Cover Classification, RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM)
Evaluating dispersion modeling of inhalable particulates (PM10) emissions in complex terrain of coal mines Srivastava, Amartanshu, Kumar, Ambasht, Elumalai, Suresh Pandian Terrain Elevation, Digital Elevation/Terrain Model (DEM), Topographical Relief Maps, RADAR IMAGERY
Evaluation of geomorphological approaches combined with digital elevation models for the Nash's instantaneous unit hydrograph Martim de Moura, Maira, Beskow, Samuel, da Silva Terra, Fabricio, Rogerio de Mello, Carlos, Almeida da Cunha, Zandra, Cassalho, Felicio Terrain Elevation, Digital Elevation/Terrain Model (DEM), Topographical Relief Maps, RADAR IMAGERY
Elevation-dependent response of snow phenology to climate change from a remote sensing perspective: A case survey in the central Tianshan mountains from 2000 to 2019 Wang, Huadong, Zhang, Xueliang, Xiao, Pengfeng, Zhang, Ka, Wu, Senyao RADAR IMAGERY, Terrain Elevation, Digital Elevation/Terrain Model (DEM), Land Surface Temperature, Emissivity
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