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Preview: Brightsurf Science News :: Precipitation News

Precipitation Current Events and Precipitation News from Brightsurf

Precipitation Current Events and Precipitation News Events, Discoveries and Articles from Brightsurf

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A sub-desert savanna spread across Madrid fourteen million years ago

Fri, 17 Nov 17 00:09:30 -0800

The current landscape of Madrid city and its vicinity was really different 14 million years ago. A semi-desert savanna has been inferred for the centre of the Iberian Peninsula in the middle Miocene. This ecosystem was characterised by a very arid tropical climatic regime with up to ten months of drought per year, according to a recent paper published in PLOS ONE. Scientists reached such conclusions after comparing mammal faunal with Africa and Asia ones

Groundwater recharge in the American west under climate change

Thu, 16 Nov 17 00:04:30 -0800

Groundwater recharge in the Western US will change as the climate warms -- the dry southern regions will have less and the northern regions will have more, according to new research. The new study covers the entire US West, from the High Plains states to the Pacific coast, and provides the first detailed look at how groundwater recharge may change as the climate changes. Groundwater is an important source of freshwater, particularly in the West.

NASA measures Haikui's remnant rainfall over southern Vietnam

Wed, 15 Nov 17 00:06:50 -0800

The Global Precipitation Measurement mission or GPM core satellite provided data on rainfall over Vietnam from the remnants of former Tropical Storm Haikui.

Microbial ecosystem at Laguna La Brava may contain novel microorganisms

Wed, 15 Nov 17 00:12:40 -0800

An investigation of the microbial environment at Laguna La Brava in Chile may suggest that novel microorganisms might be at work in the absence of cyanobacteria, according to a study published Nov. 15, 2017 in the open-access journal PLOS ONE by Maria Eugenia Farias from Laboratorio de Investigaciones Microbiológicas de Lagunas Andinas, Argentina, and colleagues.

Site of asteroid impact changed the history of life

Fri, 10 Nov 17 00:10:50 -0800

The impact of the asteroid heated organic matter in rocks and ejected it into the atmosphere, forming soot in the stratosphere.

Changing climate to bring more landslides on logged land, say WSU researchers

Thu, 09 Nov 17 00:08:00 -0800

Washington State University researchers say landslides on logged forests will be more widespread as the Northwest climate changes. In a study modelled on clear-cut lands on the Olympic Peninsula, they anticipate the climate of 2045 and conclude that there will be a 7 -11 percent increase in the land that is highly vulnerable to landslides. The researchers say their findings are applicable to the Cascade Mountain Range area as well.

Improving climate observations offers major return on investment

Wed, 08 Nov 17 00:03:00 -0800

A well-designed climate observing system could help scientists answer knotty questions about climate while delivering trillions of dollars in benefits by providing decision makers information they need to protect public health and the economy in the coming decades.

Cooling in high and mid-latitudes led to aridification in Northern Africa

Wed, 08 Nov 17 00:06:00 -0800

Analyses of ancient plant leaf wax found in the sediments of the Gulf of Guinea told the researchers about rainfall in Cameroon and the central Sahel-Sahara over the past several millennia and showed a rapid aridification around 5500 years before now.

Study reveals decadal variation of relationship between EA summer monsoon and ENSO

Wed, 08 Nov 17 00:07:40 -0800

Owing to the limited available time of the observational data, the related studies of decadal or multidecadal variation of ENSO and East Asian Summer Monsoon (EASM) have their own drawbacks. Therefore, climate model becomes an important tool. Using a coupled climate model with a 1000-year simulation, scientists from CAS Institute of Atmospheric Physics investigate the multidecadal variations of the EASM-ENSO interannual relationship. The EASM-ENSO interannual relationship is found to have experienced multidecadal variations.

NASA's IMERG adds up heavy rainfall from Tropical Storm Damrey

Wed, 08 Nov 17 00:14:30 -0800

Using a fleet of satellites, NASA calculated the heavy rainfall in Vietnam left by Typhoon Damrey at the beginning of November.

How ice in clouds is born

Wed, 08 Nov 17 00:01:30 -0800

When water droplets freeze in clouds, the structure of the ice crystal isn't necessarily the classic hexagonal snowflake structure. Rather, a more disordered ice structure forms more easily than hexagonal ice under certain cloud conditions, allowing the water droplets in clouds to turn to ice more rapidly than previously predicted. The work reconciles theoretical models of clouds with observations of freezing rates.

Nature bests humans at restoring tropical forests

Wed, 08 Nov 17 00:04:10 -0800

The spontaneous recovery of native tree species is more successful in restoring tropical forests than human interventions like planting seedlings, a new study reports.

Ecological Restoration success higher with natural measures than active measures

Wed, 08 Nov 17 00:03:30 -0800

In forest restoration, letting nature take its course may be the most effective and least expensive means of restoring biodiversity and vegetation structure of tropical forests. With global efforts to secure pledges for restoration of 350 million hectares of degraded forests, researchers argue these commitments don't have to be as costly or labor intensive as many think as long as a well-informed, combined approach of active and natural measures is taken.

Identify the best drought index to study global drylands

Wed, 08 Nov 17 00:11:30 -0800

Drought is the world's costliest natural disaster. To monitor, detect and quantify drought, many drought indices have been developed. Previous studies have shown that different indices can yield diverse results for a specific drought event, and a drought index can also give different results depending on the method used for the calculation of potential evapotranspiration (PET). Scientists from the Institute of Atmospheric Physics compared the spatiotemporal characteristics of global drylands and tried to find the best drought indice.

Biological consequences of climate change on epidemics may be scale-dependent

Tue, 07 Nov 17 00:04:50 -0800

A recent study led by Prof. ZHANG Zhibin from the Chinese Academy of Science and Prof. Nils Chr. Stenseth from University of Oslo indicated that the impacts of climate change on prevalence of epidemics were scale-dependent.

Early bloomers: Statistical tool reveals climate change impacts on plants

Mon, 06 Nov 17 00:09:30 -0800

Scientists from Utah State University, Harvard University, the University of Maryland, Rocky Mountain Biological Laboratory, Boston University and McGill University announce statistical tool to extract information from current and historical plant data.

NASA's GPM radar spots tornado spawning thunderstorms in Ohio Valley

Mon, 06 Nov 17 00:16:30 -0800

Severe weather that rolled through the Ohio Valley on Nov. 5 was analyzed by NASA's Global Precipitation Measurement mission or GPM satellite. GPM provided forecasters at the National Weather Service with rain rates and cloud heights that showed where strongest storms were located.

Future volcanic eruptions could cause more climate disruption

Tue, 31 Oct 17 00:11:40 -0700

Major volcanic eruptions in the future have the potential to affect global temperatures and precipitation more dramatically than in the past because of climate change, according to a new study led by the National Center for Atmospheric Research (NCAR).

NASA examines the powerful US Northeast storm

Tue, 31 Oct 17 00:02:00 -0700

The remnants of Tropical Storm Philippe had merged with another system and brought gusty winds and heavy rainfall to New England. The Global Precipitation Measurement mission or GPM core observatory satellite flew over the northeastern United States on Sunday, Oct. 29, 2017, and gathered data on the powerful storm that was affecting the region.

Peatland plants adapting well to climate change, suggests study

Fri, 27 Oct 17 00:15:50 -0700

They account for just three per cent of the Earth's surface but play a major role in offsetting carbon dioxide emissions -- and now a team of scientists led by the universities of Southampton and Utrecht has discovered that the plants that make up peat bogs adapt exceptionally well to climate change.

NASA finds Tropical Storm Saola's strength off-center

Fri, 27 Oct 17 00:05:20 -0700

Wind shear continued affecting Tropical Storm Saola and the Global Precipitation Measurement mission or GPM core satellite saw strong storms west of the center of circulation. In addition, NASA-NOAA's Suomi NPP satellite also provided a visible image of the storm that showed the bulk of clouds were still being pushed south of center.

Bat Poop: A Reliable Source of Climate Change

Thu, 26 Oct 17 00:02:50 -0700

Isotopes found in bat guano over the last 1,200 years provide scientists with information on how the climate was and is changing.

Astronomers discover sunscreen snow falling on hot exoplanet

Thu, 26 Oct 17 00:08:20 -0700

Astronomers at Penn State have used the Hubble Space Telescope to find a blistering-hot giant planet outside our solar system where the atmosphere 'snows' titanium dioxide -- the active ingredient in sunscreen. These observations are the first detections of this 'snow-out' process, called a 'cold trap,' on an exoplanet. The research provides insight into the complexity of weather and atmospheric composition on exoplanets, and may someday be useful for gauging the habitability of Earth-size planets.

NASA finds heavy rain, wind shear and towering clouds in Tropical Storm Saola

Wed, 25 Oct 17 00:01:20 -0700

NASA satellites have provided various views of Tropical Storm Saola as it tracks toward Japan in the northwestern Pacific Ocean. The GPM and Suomi NPP satellites found heavy rainfall, towering thunderstorms and a tropical cyclone still being affected by vertical wind shear.

NASA examines heavy rainfall generated by former Typhoon Lan

Tue, 24 Oct 17 00:03:10 -0700

When Typhoon Lan made landfall in Japan on Oct. 22, the Global Precipitation Measurement mission core satellite or GPM analyzed the storm and added up the high rainfall that it generated. By Oct. 24, Extra-tropical cyclone Lan moved east into the Bering Sea and generated storm warnings.

Researchers introduce new method for monitoring Indian Summer Monsoon

Tue, 24 Oct 17 00:05:10 -0700

Researchers from Florida State University have created a tool for objectively defining the onset and demise of the Indian Summer Monsoon -- a colossal weather system that affects billions of people annually.

Organic material matters

Tue, 24 Oct 17 00:06:30 -0700

Researchers test the capability of a novel nanoparticle to remove cadmium toxicity from a freshwater system

Unique study: more iron in lakes is making them brown

Mon, 23 Oct 17 00:06:30 -0700

The iron concentration in lakes is increasing in many parts of northern Europe, including Sweden. This has been shown in a study in which researchers at Lund University in Sweden examined 23 years of data from 10 countries. High iron levels contribute to browner water; furthermore, iron binds environmental toxins such as lead and arsenic.

NASA sees intensifying typhoon lan stretch high in the troposphere

Thu, 19 Oct 17 00:03:10 -0700

NASA's Global Precipitation Measurement mission or GPM satellite provided 3-D data that showed intensifying Typhoon Lan had powerful thunderstorms stretching high into the troposphere. NASA-NOAA's Suomi NPP satellite provided a visible image Typhoon Lan that showed the well-developed circulation.

NASA sees Hurricane Ophelia lashing Ireland

Mon, 16 Oct 17 00:07:20 -0700

NASA-NOAA's Suomi NPP satellite provided a thermal view of the clouds in hurricane Ophelia as it lashed Ireland. The Global Precipitation Measurement mission core satellite provided a look at the rainfall that was affecting the Emerald Isle.

Intense storms batter Saturn's largest moon, UCLA scientists report

Fri, 13 Oct 17 00:06:30 -0700

Titan, the largest of Saturn's more than 60 moons, has surprisingly intense rainstorms, a team of UCLA planetary scientists and geologists reports in the journal Nature Geoscience.

Rainfall trends in arid regions buck commonly held climate change theories

Thu, 12 Oct 17 00:06:40 -0700

To explore the links between climatic warming and rainfall in drylands, scientists from the Universities of Cardiff and Bristol analysed more than 50 years of detailed rainfall data (measured every minute) from a semi-arid drainage basin in south east Arizona exhibiting an upward trend in temperatures during that period.

NASA gains valuable insights into the global carbon cycle

Thu, 12 Oct 17 00:15:10 -0700

Five new studies highlight results from NASA's Orbiting Carbon Observatory-2 (OCO-2) mission, an endeavor to map out the world's carbon cycle from space.

NASA's GPM finds Ophelia strengthening in Eastern Atlantic

Thu, 12 Oct 17 00:13:20 -0700

Heaviest rainfall in Ophelia was found south of the center by the Global Precipitation Measurement mission or GPM core observatory satellite as it passed overhead and analyzed the storm with radar from space.

Watching wildfires

Wed, 11 Oct 17 00:09:50 -0700

A team of researchers from the University of Missouri College of Agriculture, Food and Natural Resources' School of Natural Resources and United States Forest Service are continuing an effort to research how climate influences wildfire frequency. The group developed the Physical Chemical Fire Frequency Model just a few years ago. The model focuses on two variables -- temperature and precipitation -- to understand how climate drives wildfire across the world. Their findings recently were published in PLOS One.

Wither heavy storms

Wed, 11 Oct 17 00:12:30 -0700

A rainstorm generator developed by UCSB hydrologists assesses watershed rainfall under climate change simulations.

How global warming is drying up the North American monsoon

Mon, 09 Oct 17 00:12:10 -0700

Previous researchers had concluded that global warming was simply delaying the North American monsoon, which brings summer rains to the southwestern US and northwestern Mexico. But a new, high-resolution climate model that corrects for persistent sea surface temperature (SST) biases now accurately reflects current rainfall conditions and demonstrates that the monsoon is not simply delayed, but that the region's total rainfall is facing a dramatic reduction.

NASA sees post Tropical Cyclone Nate's wide rainfall reach

Mon, 09 Oct 17 00:05:30 -0700

NASA-NOAA's Suomi NPP satellite analyzed the temperatures in Post-tropical cyclone Nate's cloud tops as the storm moved over the Ohio Valley. Satellite imagery showed the storm was bringing rainfall from the northeastern U.S., to the Mid-Atlantic and south through the Appalachian Mountains.

NASA finds heavy rainfall in developing Tropical Storm Nate

Thu, 05 Oct 17 00:00:00 -0700

After tropical depression 16 formed in the southwestern Caribbean Sea it continued organizing and strengthening.

Large volcanic eruptions in Tropics can trigger El Niño events

Tue, 03 Oct 17 00:02:40 -0700

Explosive volcanic eruptions in the tropics can lead to El Niño events, those notorious warming periods in the Pacific Ocean with dramatic global impacts on the climate, according to a new study.

Warming unlikely to have major impact on animal agriculture in Northeast

Tue, 03 Oct 17 00:12:00 -0700

Climate change will not significantly impair animal agriculture in the Northeast region of the United States, according to a multidisciplinary team of researchers, who point out there are many variables in the future scenario they envision.

RUDN University scientists described the distribution of soil microorganisms

Mon, 02 Oct 17 00:15:00 -0700

Scientists from RUDN University have classified the distribution of soil microorganisms at different latitudes from tropical to temperate forests. The results of the study were published in Functional Ecology.

Climate's effects on flowers critical for bumble bees

Fri, 29 Sep 17 00:02:30 -0700

In a study that shows the importance of climate change on critical pollinators, North Carolina State University researchers found that earlier and longer flowering seasons can have poor effects on the bumble bees that rely on these flowers to live and thrive.

NASA satellites peer into a lop-sided Hurricane Maria

Wed, 27 Sep 17 00:13:00 -0700

NASA's Aqua satellite and Global Precipitation Measurement mission, or GPM, satellites have been peering into what appears to be a somewhat lop-sided Hurricane Maria. The storm appears asymmetric because vertical wind shear is pushing clouds and showers to the eastern side of the storm.

Drought -- a cause of riots

Tue, 26 Sep 17 00:15:20 -0700

UNIGE, in partnership with the universities of Heidelberg and Lucerne, has verified the possibility of a relationship between periods of drought and rioting. The researchers observed a systematic link between the sudden depletion of water resources and the outbreak of unrest. They also succeeded in quantifying the impact of geographic and social factors on the same link. The findings underline the importance of the role of political institutions in the event of a drought.

Big brains in birds provides survival advantage: Washington University study in Nature journal

Mon, 25 Sep 17 00:02:10 -0700

In a study whose embargo lifts Sept. 25, Washington University in St. Louis scientists along with a Canadian biologist learn that brainier birds are better able to colonize inhospitable places, among other findings.

Antarctica: The wind sublimates snowflakes

Mon, 25 Sep 17 00:10:10 -0700

A team of researchers has collected new data that shows a significant decrease in snow precipitation close to the ground in Antarctica, which has an impact on the ice sheet surface mass balance.

NASA finds very heavy rainfall in Hurricane Maria

Wed, 20 Sep 17 00:09:50 -0700

NASA looked into Hurricane Maria and found that powerful convective storms within the hurricane were dropping heavy rainfall.

Changes in non-extreme precipitation may have not-so-subtle consequences

Tue, 19 Sep 17 00:01:30 -0700

Extreme floods and droughts receive a lot of attention. But what happens when precipitation -- or lack thereof -- occurs in a more measured way?

NASA looks within category 5 Hurricane Maria before and after first landfall

Tue, 19 Sep 17 00:02:40 -0700

Satellite data is enabling forecasters to look inside and outside of powerful Hurricane Maria. A NASA animation of satellite imagery shows Hurricane Maria's first landfall on the island of Dominica.