How Dry Is The Tropical Free Troposphere? Implications For Global Warming Theory
...dity in this region, which are related to how much cloud material fallsout of rainfall systems. Dr. Spencer, NASA's Senior Scientist for Climate Change, will be discussingthese latest published results, as well as the state of the global warmingdebate, during the July 15, 1997 forum on The Implications o...Remote Cloud Observatory Tracks El Niño Changes
...do." The main focus of the ARM program is cloud cover and the effect ofclouds on the surface radia...nd wet,and the Western Pacific, which has frequent cloud cover and rain storms,experiences drought. "We do not know what makes the trade winds slack......zon Basin to Australia to the Andes in Peru to the cloud forests of Panama,"Secretary Babbitt said. "We are looking at places like this one that arerenowned for their rich biodiversity and trying to understand why thisphenomenon is occurring and how it can be halted." "These creatures have been ha...Forecasting The El Niño-Driven Ebb And Flow Of A Rogue Mosquito
...a such as precipitation, temperature, humidity and cloud cover to predict theweather's influence on the mosquito during its four life stages. Aedes aegypti, the mosquito that is the principal carrier of the dengue virus,has expanded its range from its primordial home in Africa to most of thetropical and su...Study Suggests Weekly Hurricane And Rainfall Patterns Are Linked To East Coast Pollution
...ll defined weekly cycle. The gray, smelly cloud of pollution has a strange silver lining,however. While pollution makes for more rainy weekends, it also apparentlyreduces the intensity of hurricanes that hit over the weekend, such that weekendhurricanes tend to be much weaker than, say, Tuesday st...Hurricane Georges Puts On A Light Show
...showed many unique characteristics including large cloud turrets, variable eye wall winds, and wind speeds up to 148 km/h (80 knots; 92 mph) at 10 km (33,000 ft) altitude. The eye wall pattern was also significantly displaced from the radar eye wall location unlike those seen with Bonnie, Danielle, or Earl...Ancient Antarctic Environment Rocked By Volcanic Eruptions
...ates a large-volume eruption that generated an ash cloud that reached intothe stratosphere. The discovery of these volcanic layers underlying the seabeddemonstrates a far more spectacular history of volcanic activity than waspreviously suspected for the Ross Sea region of Antarctica, but it is alsouseful ......l warming. A key factor is an increase innighttime cloud cover that traps heat near the earth's surface, Alward said. "Blue grama is a grass that is very drought resistant and grazingtolerant, and under normal conditions it'll hang in there," Detling said. "It'svery sensitive to water and is more ......rofessor of psychology who studied the waspsin the cloud forests of Costa Rica, believes more examples of m... which lives at about 1,450 meters elevation inthe cloud forests of Costa Rica and neighboring countries. The wasp, which isabout half an inch long, lives in...... in the tropics they are the chief source. Themore cloud condensation nuclei, the brighter the cloud, that ...rom greenhouse gasincreases. "A host of changes in cloud physical and microphysical properties arelumped under the term 'indirect effects,' " says NCAR scien...... pollution aerosols can affect both visibility and cloud formation becausewater vapor condenses on the poll...estimate to what extent the haze layer is altering cloud propertiessuch as the concentrations of cloud droplets, the development of rainfall, andcloud bright...Media Advisory: 1999 Spring Meeting -- Updated Press Conference Schedule
...here. Meteor impactson the lunar surface created a cloud of sodium gas that escaped from the Moon.Sodium at...ng the vicinityof the Earth on November 19th. This cloud of lunar gas was "gravitationallyfocused" into a narrow tail that was photographed using a sensitive...Massive pollution documented over Indian Ocean
...n theyabsorb and reflect back to space. Aerosol - cloud - radiation processes arehighly complex and not we...ter sunlight backto space. By acting as seeds for cloud condensation, they also produce anindirect cooling effect by increasing both the longevity and refle...Genes play a bigger role in women's depression than in men's, twin study finds
It's like sitting under a cloud when everyone else is in the sun. Or watching amovie in black and white when all your friends are seeing color. Depressiontakes the pleasure out of life and interferes with living. It jeopardizes jobs,marriages and parenting and can lead to suicide o...UW professor's climate change theory leads to NASA mission
...e the most comprehensive informationon aerosol and cloud reflection, far surpassing small and widely separatedreadings taken on the ground or from airplanes. The work will supplanttheoretical models with hard data. The mission is a collaboration of NASA's Langley Research Center; the Frenchspace agency, Ce...Nearby supernova may have caused mini-extinction, scientists say
...." Those effects include a huge increase in global cloud cover and a dramaticdecrease in the protective ozo...mely the sunspotcycle -- and the extent of Earth's cloud cover,"Fields said. "Some researchers believe this correlation is due to modulation ofthe normal cos...Sandia-developed remote sensor expected to analyze gases up to two miles away
...is designed to move up and down. Lightfrom the gas cloud shines on the chip after being collected by an opticaldevice, such as a telescope or binoculars. The way this would actually work, Butler says, is that as a soldier or otheruser peers through the binoculars and the light strikes the Polychromator ch...Spacecraft provides first direct evidence: Smoke in the atmosphere inhibits rainfall
...rest fires. In these clouds, scientists found, the cloud tops mustgrow considerably above the freezing leve...In the first, called the "warmrain" process, a few cloud drops get large enough to start falling. As theyfall, they pick up other cloud drops until they beco......rstanding of regional climate, radiative forcing, cloud forcing, and near surface ozone levels. Panel: V. Ramanathan, Center for Clouds, Chemistry, and Climate, Scripps Institution of Oceanography, University of California at San Diego, La Jolla, California Paul J. Crutzen, Max Planck Institute for Chemis...... are indirect effects, such as aerosol-induced cloud cover and increased reflectivity, which further reduce the sunlight reaching plants. Finally, harm from growth-stunting ozone, acid deposition and other air pollutants also worsen the impact of poor air quality. There are many po...