Satellite Pictures
Satellite Pictures and their uses
For the past 35 years, the U.S. Landsat Earth observation satellites have been collecting images of planet Earth from space and all of these satellite pictures have been used to good use in a range of applications that range from ecological forecasting and disaster management to agriculture and land-use planning. These pictures have especially been helpful in countries with fewer resources and have played a key role in helping them harness the power of technology such as remote sensing in making sustainable use of what they have. One of the uses of satellite pictures has been in the helping with famine and floods.
Based on satellite pictures, it is possible for decision makers to make specific and targeted decisions that help cushion the effects of famine by looking at potential famine locations. However, these satellite images and their uses go beyond just alleviating the effects of future catastrophes. With web-based virtualization and monitoring systems, they can be used for their geospatial information and be available to students, public, business communities and decision makers. Their uses would thus cover such areas as forecasting weather, monitoring red tides in fisheries, monitoring fires, determining the risk factors of populations at risk of landslides and flooding and in analyzing climate cooling patterns and in mapping land cover.
It is clear that different sectors can be linked to reinforce each other and to address a host issues ranging from urban development, food security, biodiversity conservation and climate change. Mapping and quantifying landscape changes that have occurred over the last forty years is also underway which may further help in resolving or at least reducing the impact of natural occurrences. These mapping changes over time are also help as they will show visual representations of land resources 40 or 20 years ago and offer statistics about wetlands, forests, urban areas and agriculture. This data will thus help in showing the effects of human activity.
Satellite pictures offer us a glimpse of the effects of human activity on the fragile Earth. We are yet to fully realize how human activity has altered the Earth’s climate and its effects 20 or 40 years from now. However, these still photographs may help in opening up our minds and helping as realize the changes we need to make as regards the use of the Earth’s resources.
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I see you are interested in global warming and everything else that comes with it. I would just like to share my disappointment at the outcome of the Copenhagen climate council. The summit was supposed to halt temperature rise by cutting greenhouse gases. But after two weeks of negotiating it ended in a weak political accord that does not force any country to reduce emissions and has no legal standing anyway. As a result the world is “one step closer to a humanitarian crisis”, according to the Royal Society. It looks like it is every man for themselves but if your far away neighbors don’t do anything to halt it, what is the point. Here in Scotland, Scottish Hydro has shown the way forward with supplying clean hydro electric power from sources like, hydro damns and wind turbine farms but is it all in vein? It could well be.
The author who contributed this article buys the global warming hoax. Our science staff of course isn’t willing to throw out the laws of physics to accommodate it. If anything good came from climate-gate, it is awareness, that oppressive politics will always look for ways to force it’s populations into submission with any lie they can. We here believe in freedom of speech, so we do publish all relevant comments even though we strongly disagree.
Great article, really enjoyed reading this =]