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Environmental

Satellite RS imagery is capable of providing pinpoint high-frequency macroscopic images of the globe or extensive areas. It broadens our vision with an enlarged spectral bands sphere from the visible lights to the infrared and microwave spectral bands.

Valueof Remote Sensing (RS) Imagery in Environmental Protection

Environment, serving as the fundamental premise of human’s survival and development, provides us with indispensable resources and living conditions. With the social and economic development, environmental protection, pollution mitigation and ecological deterioration constraining have become the primary social administration tasks of governments.

The basic statistics and images acquired from the RS (Remote Sensing) monitoring of environment provide information of  Desertification, soil salinization and erosion, ecological deterioration (e.g. acid rain pollution to vegetation), water pollution caused by the industrial & domestic sewage, and marine pollution by oil spillages, which supports scientific decisions of environmental management and governance.

 

Superiorities

Satellite RS imagery is capable of providing pinpoint high-frequency macroscopic images of the globe or extensive areas. It broadens our vision with an enlarged spectral bands sphere from the visible lights to the infrared and microwave spectral bands.

The Jilin-1 constellation developed by the Changguang Satellite Technology provides all sorts of RS images of high quality and precision, which have superior advantages in environmental protection.

1.10 stably running satellites in orbit with reinforced capability of data collecting.

2.Up to 0.72m resolution images provide detailed ground truth.

3.Breaking the externally environmental limitation and providing more qualified and efficient environmental monitoring services.

4.The ability and agility to collect data twice per day leads to the maximized efficiency.

 

Extensive Application

The RS technology has been extensively and successfully applied in environmental protection by countries all over the globe, which is a demonstration of its bright prospects.

1.AirPollution Monitoring

The RS can observe the types and content distribution of aerosol and the vertical distribution of trace gases in the atmosphere. Study on the RS images provides the relations between the surface radiation temperature and the phenomenon of UHI effect.

2.Monitoring of Inland Water Pollution

By virtue of the satellite RS imagery, a quick detection can be made in terms of the types, location and distribution of the water pollution sources and the polluted waters. Due to the diversified pollutant compositions of the industrial sewage, the colors of the sewage are different. We can identify different polluted waters by measuring the density of RS images.

3. Marine Pollution Monitoring

Different substances of sea waters display their diversities on image of each spectral band with varying degree. We can obtain the information of suspended sediment, plankton, soluble organic matter, oil film and other pollutants via  image interpretations.

4.Ecological Environment Monitoring

The vegetation indexes are of huge applying value in global environmental change, which also play a vital role in the climate change monitoring of vulnerable areas. The multi-spectral data and generated vegetation indexes can be adopted to categorize the global vegetation and soil conditions, and monitor the process of land desertification, deforestation, and urbanization via image processing and quantitative analysis.

5.Investigation of Geological and Environmental Disasters

Satellite RS imagery is capable of looking into the environmental causes related to the landslides and debris flows (such as geological structure, formation lithology, fracture, water zone, vegetation coverage and land use, etc.), speculating their growing circumstances and occurring conditions, risk zoning and forecasting, and thus providing information for the prevention and control of geological disasters.

 

The standard luminous (nighttime) images are standard sub-meter products collected by Jilin-1 constellation, corrected and calibrated by radiation and sensors. RPC models and metadata files are available in the general tiff format.
A standard video imagery is a standard video acquired by Jilin-1 constellation, which has a resolution less than 0.9m after being processed through image stabilizing and framing. Products in both avi and mov data formats are provided.
The standard optical static image is a standard sub-meter product collected by Jilin-1 constellation, which is corrected and calibrated by radiation and sensors. RPC models and metadata files are available in the general tiff format.

Remote Sensing