WorldDEM Neo DSM

A medium resolution 5 m digital surface model, acquired worldwide. The collection contains data from 2017 to 2021.


Overview

WorldDEM Neo DSM is a satellite-based digital surface model (DSM) with worldwide availability. See more on the marketplace.

An elevation model of Jinzhong (China)

Geographic coverage

The geographic coverage is global.

Specifications

General

SpecificationDescription
Collection typeCatalog
Product typeElevation
Model typeDSM
Data sourceTerraSAR-X

Data

SpecificationDescription
Spatial resolution5 m (medium)
Bit depth per pixel32-bit
Standard deliveryA ZIP file containing the following files:
  • Data (GeoTIFF)
  • Metadata (PDF)
  • Masks (CSV, GeoTIFF, KML)
  • Visuals (GeoTIFF)
NoData value-32767
Hydro-flatteningOceans: set to 0 m
Lakes: set to a single elevation value
Rivers: flattened in steps of 50 cm

Geographic reference

SpecificationDescription
Coordinate reference systemWGS84 with EGM2008 height
Vertical accuracyAbsolute: 1.4 m LE90
Relative:
  • 2 m for flat surfaces
  • 4 m for slopes greater than 20%
Horizontal accuracyAbsolute: 6 m CE90

Limitations

LimitationValue
InputAOI from 1 km2 and at least 1 km wide
AvailabilityAcquisition date range:* 2017–2021
OutputAOI-clipped imagery
* The data for this collection was acquired sometime between the start and end dates of the range and represents the latest processed data available.

UP42 data products

DescriptionData product IDCollection name
WorldDEM NEO DSMec016f4c-332c-4190-b18b-13fb12519c40worlddem-neo