Journal of Remote Sensing / 2022 / Article / Tab 1

Review Article

An Introduction to the Chinese High-Resolution Earth Observation System: Gaofen-1~7 Civilian Satellites

Table 1

Introduction of GF-1 to GF-7 satellites, all satellites except GF-4 (geosynchronous) are solar synchronous.

Gaofen seriesLaunch timeSensorMain service tasks

Panchromatic multispectral cameraGF-12013.04.262 panchromatic multispectral cameras (2 m panchromatic, 8 m); 4 multispectral wide-width cameras (16 m)Land resources and agricultural meteorology
GF-22014.08.192 panchromatic multispectral cameras (panchromatic 1 m, substar point 0.8 m, multispectral 4 m)Land and resources, urban management, transportation
GF-62018.06.021 panchromatic multispectral camera (2 m panchromatic, 8 m); 1 multispectral wide-width camera (16 m)Land resources, agricultural meteorology, identification of ground crops
Multipolar synthetic aperture radarGF-32016.08.01C-band multipolarization synthetic aperture radar (1~500 m)Marine application, disaster processing, water protection and management, meteorology prevention, mitigation of emergent disasters
Environmental satelliteGF-52018.05.09AHSI, VIMS, AIUS, EMI, GMI, DPCMonitoring atmospheric aerosol, sulfur dioxide, nitrogen dioxide, methane, water quality, straw burning, urban heat island
All-sky staring camera and radar altimeterGF-42015.12.29Staring camera with visible (50 m) and near infrared (400 m)Remote sensing of disaster reduction, forestry, meteorology
GF-72019.11.03A dual-linear array camera (back sight: 0.65 m, fore sight: 0.8 m); multispectral (back sight: 2.6 m); a laser altimeter (ranging  m) (slope is less than 15 degrees); a footprint camera (≤4 m)Agricultural surveying and mapping of topography