Dataset guide · 地理遥感与城市

NASA Shuttle Radar Topography Mission Global 1 arc second V003

Name: NASA Shuttle Radar Topography Mission Global 1 arc second V003
Creator: NASA Land Processes Distributed Active Archive Center (LP DAAC)

A near-global digital elevation model (DEM) at ~30 m resolution derived from the Shuttle Radar Topography Mission (SRTM), covering land between 60°N and 56°S, archived by NASA LP DAAC.

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地理遥感与城市Free to access

Key facts

InstitutionNASA Land Processes Distributed Active Archive Center (LP DAAC)

CoverageGlobal land, 60°N to 56°S

Time span2000-02-11 to 2000-02-21

Scale14297 files/granules

LicenseLicense pending verification

AccessEarthdata Search download page

Contents & fields

SRTMGL1 V003 data are provided in 1°×1° tiles with .HGT extension. Each tile contains a single elevation band in 16-bit signed integer (int16) with units in meters. The following variable is documented:

DEM——Elevation in meters, data type int16, fill value -32768, valid range -32767 to 32767.

Research uses

Suitable for terrain analysis, hydrological modeling, surface process studies, orthorectification of remote sensing imagery, and other geoscience and ecological research requiring global 30 m DEM.

This card was drafted from the source page; institution, coverage, time span, scale, fields and license are subject to the official page (pending human review).

Keywords

SRTMDEM30 mglobal landelevation dataNASA

Access & license

License: License pending verification | Free to access

Official site / download →

Why this is hard to get on your own

When acquiring global 30 m DEM, note the data format is HGT not GeoTIFF, and download requires Earthdata login.

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