Abstract
Abstract. The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument onboard Terra & Aqua Spacecrafts Scans the earth in 36 spectral bands & covers the entire earth in two days. MODIS data has proved to be very useful for ocean & land studies with resolution ranging from 250 m to 1000 meters. The Data Reception system at Shadnagar (Refer to the Block diagram Fig.1), receives the data transmitted in X-band on 8160 MHz carrier SQPSK modulated with a data rate of 15 MBPS from the Aqua satellite. The down converted IF signal is fed to the demodulator & bit-synchronizer unit. The data and clock output signals of bitsynchronizer unit are given to a PC based DAQLB system where real-time telemetry processing is carried out and data is recorded onto hard disk in real time. The effectiveness of the system in supporting the forest fire management during the 2011, 12, 13 & 14 is also presented in the paper. Near real-time active fire monitoring, interactive fire visualization, fire database and statistical analysis functions also presented. Preliminary results of the upgrading satellite receiving system and in expanding the utilization of satellite data for multi-disciplinary resources management will also be presented and discussed.
Highlights
1.1 Forest Fires in IndiaTogether with flood and drought, forest fire is one of the most frequently occurred natural disasters in India, causing severe damage to the country’s economy as well as to the forest ecological system
The Moderate Resolution Imaging Spectroradiometer (MODIS) data on 8160 MHz carrier SQPSK modulated at the rate of 15 Mb/sec is received at NRSC Ground Station by the 7.5 metre Antenna
The network card was configured and Browse/ADIF files are being sent through Spacenet data link to the Indian Forest Fire Response and assessment system (INFRAS) has been providing operational MODIS based forest fire alerts to users
Summary
Together with flood and drought, forest fire is one of the most frequently occurred natural disasters in India , causing severe damage to the country’s economy as well as to the forest ecological system. The Forest Survey of India, data on forest fire attribute around 50% of the forest areas as fire prone. This does not mean that country's 50% area is affected by fires annually. MODIS data, which include 6 bands in the thermal spectra of 3.66 – 4.08 μm and 10.78 – 12.27 μm, are currently used for early detecting fires or thermal anomalies.
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