News tagged with tropical
Tropical forests are fertilized by air pollution
Scientists braved ticks and a tiger to discover how human activities have perturbed the nitrogen cycle in tropical forests. Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama ...
Nov 03, 2011 |
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TRMM Satellite sees Tropical Storm Keila form in the Arabian Sea
The TRMM satellite passed directly above a recently formed tropical cyclone in the Arabian Sea on November 2, 2011 at 0350 UTC (11:50 p.m. EDT, Nov. 1). An analysis of rainfall was done using TRMM's Microwave ...
Space & Earth / Earth Sciences
Nov 02, 2011 |
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Analysis reveals malaria, other diseases as ancient, adaptive and persistent foes
One of the most comprehensive analyses yet done of the ancient history of insect-borne disease concludes for the first time that malaria is not only native to the New World, but it has been present long before ...
Nov 02, 2011 |
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Stalemate over organic farming slows progress in effort to combat food insecurity in Central Africa
The polarized debate over the use of organic and inorganic practices to boost farm yields is slowing action and widespread farmer adoption of approaches that could radically transform Africa's food security situation, according ...
Oct 28, 2011 |
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Climate: which nations, cities most at risk?
A third of humanity, mostly in Africa and South Asia, face the biggest risks from climate change but rich nations in northern Europe will be least exposed, according to a report released Wednesday.
Oct 26, 2011 |
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Killer whales migrate, study finds, but why?
Some killer whales, a study published Wednesday shows for the first time, wander nearly 10,000 kilometres (6,200 miles) from Antarctica's Southern Ocean into tropical waters -- but not to feed or breed.
Oct 25, 2011 |
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NASA caught Tropical Storm Rina forming, strengthening
NASA's Tropical Rainfall Measuring Mission satellite called "TRMM" and NASA's Aqua satellite captured radar and temperature data that showed Tropical Storm Rina forming in the western Caribbean Sea yesterday. ...
Space & Earth / Earth Sciences
Oct 24, 2011 |
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Study reveals for first time true diversity of life in soils across the globe, new species discovered
(PhysOrg.com) -- Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya or the tundra and boreal forests of Alaska and Sweden, ...
Oct 18, 2011 |
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Clustered hurricanes reduce impact on ecosystems
New research has found that hurricane activity is 'clustered' rather than random, which has important long-term implications for coastal ecosystems and human population. The research was carried out by Professor ...
Space & Earth / Earth Sciences
Oct 17, 2011 |
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First python fossil unearthed in Germany
The fossil of a python dating from about 15 million years ago has been discovered in southern Germany, first time proof that the reptile lived so far north, German palaeontologists said Monday.
Other Sciences / Archaeology & Fossils
Oct 17, 2011 |
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Mental time-travel in birds
(PhysOrg.com) -- Certain types of birds may track army ant swarms using sophisticated memory and the ability to plan for the future.
Oct 14, 2011 |
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Satellites view three dying tropical systems in eastern Pacific
Three tropical systems in the eastern Pacific Ocean: Tropical Depression Irwin, Post-tropical cyclone Jova, and the remnants of Tropical Depression 12E all appeared to be fading on NASA satellite imagery today.
Space & Earth / Earth Sciences
Oct 13, 2011 |
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Feeding the world while protecting the planet
The problem is stark: One billion people on earth don't have enough food right now. It's estimated that by 2050 there will be more than nine billion people living on the planet.
Oct 12, 2011 |
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Spotty, strong convection seen in NASA imagery helps Irwin regain tropical storm status
Tropical Storm Irwin almost appeared down for the count, but spotty areas of flaring convection provided a clue to forecasters that he wasn't ready to give up yet. The cloud top temperatures were measured ...
Space & Earth / Earth Sciences
Oct 12, 2011 |
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NASA sees large Tropical Storm Banyan stretched over southern Philippines
Tropical Storm Banyan's center may still be at sea, but NASA satellite data today shows the western edge of the storm already over the southern Philippines.
Space & Earth / Earth Sciences
Oct 11, 2011 |
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