I would like to brief one of my ideas which would certainly have a great say in limiting climate change if not curb it completely. Any coup for limiting this issue must involve the complete understanding of atmospheric parameters. So my idea also revolves around comprehending certain land and oceanic parameters which can alleviate climate change. Climate change in a broad sense means anomalous behavior of atmospheric parameters due to some natural or anthropogenic activity.
Sea level rise as we all know is a major effect of climate change. Through out my write up I’m going to focus on this oceanic parameter which is the need of the hour. Mesoscale thermal fronts and sinks are areas of thermal discontinuities where absorption of CO2 by ocean from atmosphere is relatively high. I am currently working in a paper where I am trying to map these regions from satellite images like AVHRR and NOAA.
But why these sinks are important? Yes, these regions absorb co2 and increase their boundaries and thereby aggrandizing the total ocean temperature. So as ocean heat increases the evaporation in that region alone starts increasing and the winds driven from that region bring heavy rainfall. So, at one part where there are sinks the rainfall decreases and another part the evaporation is high resulting in heavy showers. This causes heavy cyclones in some regions and draught in other regions. And when the thermal fronts spread, the regions under high rate of evaporation increase drastically, giving rise to more and more cyclones. So we have to control the high rate of evaporation in places of thermal fronts. Hence identification of these places is the prime goal.
1. Map the regions using MODIS thermal bands.
2. Using image processing techniques we can find
out the areas of thermal fronts and sinks.
3. On knowing the lat long of those areas we can control the rate of evaporation at those places alone.
4. Cetyl alcohol is found to be the chemical which is strong, flexible to wind and ocean currents. This can be sent through undersea pipelines as we send the liquid co2 into oceans. But the foremost thing here is to monitor the lat long in which it has to be spread. Here comes the geospatial technology.
5. Next we have to validate the results because these chemicals can also have alternative impacts.
6. So we need a marine geospatial system which can monitor the latitude. Longitude, SST and wind speed in that area in daily timescale to see if there is any change in SST after the Cetyl alcohol is sent.
7. This system must comprise a GPS, a thermal sensor for estimation of SST, an antenna for immediate transfer of information to the land system.
8. The land system must have a MARINE GIS application to create buffer around thermal fronts, increase or decrease the buffer once the SST information is transferred, make simulations for increase in Cetyl alcohol content by generating DEM layers.
9. Here Generation of DEM is necessary in order to know the level at which Cetyl alcohol must be supplied. Also DEM must be created fro sea continental shelf region.
10. On the whole it should function as a real time monitoring system.
So in compendium I can say that the whole operation involves Geospatial technology in oceans for limiting climate change.
