DwaterX Business Portal

Water Resources Satellite Payload

• Core Missions
  • Monitor water resources and water-related disasters, including floods and droughts.
  • Observe displacement in water-resources facilities and conduct time-series interferometric monitoring
  • Observe and provide hydrological parameters in Korea and abroad (e.g., soil moisture)
• Operational Characteristics
  • Imaging : Acquire image data twice a day and produce thematic maps
  • Communication : Uninterrupted, year-round collection and distribution of hydrological data

Water Resources Satellite (Imaging) Payload Specifications

• Payload TypeC-band SAR (imaging radar)
• Channel5.4 GHz
• Swath Width120 km or more
• Resolution10 m × 10 m or better
• Weight500 kg class
• Antenna SizeAnt. Ø : 4,000mm
• Data Transmission640 Mbps
• Operating Altitude561 km
• Revisit FrequencyTwice per day (full Korean Peninsula observation)
• Operational LifetimeAt least 4 years

Water Resources Satellite (Communication) Payload Specifications

• PayloadDCS / Flexible payload
• ChannelL / Ka – band
• Frequency1.5~1.6G(L) / 19~30G(Ka)
• Bandwidth5Mhz(L) / 100Mhz(Ka)
• WeightUp to 3.5 tons (248 kg)
• Volume3.2m x 2.5m x 3.5m
• Power Consumption5.35kWpk(RF power)
• Operating Altitude36,000Km
• Revisit FrequencyContinuous communications (around the Korean Peninsula)
• Operational LifetimeAt least 15 years

Water Resources Satellite Configuration

• Water Resources Satellite (Imaging)
• Water Resources Satellite (Communication)

Water Disaster Response Using Satellites

• Analysis of inundation damage and levee overtopping
• Detection of floating debris inflow to dams during the flood season
• Displacement analysis of water resources facilities
• Water disaster response and analysis for strategic partner countries