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Satellite Images

Optoelectronic satellite images

Landsat-8

Purpose: Survey of the Earth's surface in visible, near-infrared, mid-infrared and thermal spectral bands. Images are designed to study object state and dynamics of the Earth's surface (vegetation, soil coverage, etc.)

Eighth Earth Observation satellite Landsat launched under the program supported by the US Geological Survey (USGS) and the National Aerospace Agency (NASA). Landsat 8 uses two sensors - Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS) with 30-100 m spatial resolution depending on spectral range. Temporal resolution - 16 days.

RapidEye

Purpose: Survey of the Earth's surface in visible range with high spatial and temporal resolution. Red edge channel (690-730 nm) which is sensitive to concentration of chlorophyll in plants is best suited for agricultural monitoring.

The constellation of five small satellites, designed for Earth Observation with high spatial resolution. Survey is carried out in visible and near-infrared range. Spatial resolution - 6.5 m. Temporal resolution – 1 day.

Sentinel-2A

Purpose: Survey of the Earth's surface in visible, near infrared and mid-infrared spectral channels. Three additional red edge spectral channels expands the capacity of analysis of state and composition of agricultural crops.

European Space Agency’s satellite equipped with multispectral optoelectronic sensor, collects images in 13 spectral channels ranging from visible and near-infrared to short-wave infrared spectral channels. Spatial resolution - from 10 to 60 m, depending on spectral range. Temporal resolution – 10 days.

ASTER

Purpose: Data collection about the reflectivity, temperature, and relief of the Earth's surface. Monitoring of crop conditions, rate of harvesting and etc.

Imaging system for Earth observation created by NASA and Japan's Ministry of Economy, Trade and Industry (METI). It is Japanese sensor which is one of five remote sensing devices on board of Terra satellite. Aster collects images in three spectral bands of visible wavelength range with 15 m spatial resolution; 6 channels of mid-infrared and 5 channels of thermal channels with spatial resolution of 30 m and 90 m respectively. Temporal resolution - 16 days.

Radar satellite images

Sentinel-1

Purpose: All-weather and day-and-night agricultural monitoring.

Radar satellite images of C-band. Temporal resolution – 7-14 days.