Sentences with phrase «precipitation patterns for»

Results imply that information via the lateral boundary conditions is not always sufficient to minimize departures between simulated and actual precipitation patterns for more than several days.

Climate experts say the strong El Niño climate pattern we're currently experiencing has already produced significant global impacts, and is likely to continue to affect temperature and precipitation patterns for the next few months.

From the modelled precipitation pattern for the Neckar catchment and its neighbouring areas (Fig. 9), it can be seen that the highest precipitation with values up to 230 mm in 36 hours occurred in the western crest of the northern parts of the Black Forest.

Not exact matches

Thompson notes another sobering consequence: Without corings from tropical ice packs in the future, researchers will lose a valuable way to reconstruct temperature and precipitation patterns in the tropics for the last several thousand years.

Wrestling with natural variability Scientists have looked for these changes in rainfall patterns, but they are often difficult to distinguish because there is so much natural variability in precipitation.

«Plants, animals, and people all depend on forests and may all face additional challenges as temperatures increase and precipitation patterns shift,» said John Shuey, a co-author of the study and Director of Conservation Science for the Indiana Chapter of The Nature Conservancy.

The explanation for this could be that the global warming is not yet strong enough to trigger the changes in precipitation patterns that climate models simulate,» reports Charpentier Ljungqvist.

They will look for evidence of temperature changes caused by ocean circulation patterns in both the North Atlantic and tropical Pacific Oceans, which drive precipitation in Tibet as well as the Indian monsoons.

They found that the business - as - usual scenario comes with large climate changes the world over and would create entirely new patterns of temperature and precipitation for 12 to 39 percent of Earth's land area.

While the models do not reliably track individual extreme weather events, they do reproduce the jet stream patterns and temperature scenarios that in the real world lead to torrential rain for days, weeks of broiling sun and absence of precipitation.

Changes in precipitation patterns and possibly decreased precipitation in some parts of Africa, which will be unable to support crops and human habitation in the future, would have repercussions, said Roger - Mark De Souza, director of population, environmental security and resilience at the Woodrow Wilson International Center for Scholars.

An increased risk of intense, short - duration rainfall events in mid-latitude regions has been predicted consistently for well over a decade as part of the pattern of human influence on precipitation.

By the end of the year, that pattern had flipped, with record and near - record temperatures across most of the East and near - to below - average temperatures for much of the West, associated with much needed above average precipitation across the region.

For extended analysis of global temperature and precipitation patterns, please see our full April report

While the individual weather pattern may allow for heavy rain, the heaviest of this precipitation is increasing as the world warms from climate change.

For example, in order to prevent flooding, pupils could design a floodgate that controls water flow according to various precipitation patterns.

The abstract of the Ainsworth et al seems to provide some support for both TC and BPL: «Rising atmospheric [CO2] is altering global temperature and precipitation patterns, which challenges agricultural productivity,» yet «rising [CO2] provides a unique opportunity to increase the productivity of C3 crops...»

Given the number of ways that things can go wrong with continued CO2 emissions (from ocean acidfication and sea level rise to simple warming, shifting precipitation patterns, release of buried carbon in perma - frost, and the possibility of higher climate sensitivities — which seem to be needed to account for glacial / inter-glacial transitions), crossing our fingers and carrying on with BAU seems nothing short of crazy to me.

For example, reflecting sunlight would likely reduce the Earth's average temperature but could also change global circulation with potentially serious consequences such as changing storm tracks and precipitation patterns throughout the world.

Although there is still some disagreement in the preliminary results (eg the description of polar ice caps), a lot of things appear to be quite robust as the climate models for instance indicate consistent patterns of surface warming and rainfall trends: the models tend to agree on a stronger warming in the Arctic and stronger precipitation changes in the Topics (see crude examples for the SRES A1b scenarios given in Figures 1 & 2; Note, the degrees of freedom varies with latitude, so that the uncertainty of these estimates are greater near the poles).

For example the increasing trend in the coherent NHSM decadal precipitation shown in the paper (Figure S3B: the spatial pattern and associated principal component time series of the EOF) in fact suggest a weakening over recent decades in much of India and East Asia.

To solve this problem I looked at three patterns of the 6558 day period, overlaid them at the daily weather data level, and plotted the resultant combined signal for Precipitation, and temperature patterns for the USA, extended that cyclic interpenetration for a six year period, and plotted out maps to show the repeating reoccurring patterns in the global circulation, as a (6 year long stretch, we are now ~ 40 months into the posted 6 years long) forecast for part of the current repeat of the 6558 day long cycle.

Changing temperature and precipitation patterns can affect the lifecycle and distribution of insects, many of which transmit diseases that already pose problems for public health in Illinois.

For the entire Northern Hemisphere, there is evidence of an increase in both storm frequency and intensity during the cold season since 1950,1 with storm tracks having shifted slightly towards the poles.2, 3 Extremely heavy snowstorms increased in number during the last century in northern and eastern parts of the United States, but have been less frequent since 2000.11,15 Total seasonal snowfall has generally decreased in southern and some western areas, 16 increased in the northern Great Plains and Great Lakes region, 16,17 and not changed in other areas, such as the Sierra Nevada, although snow is melting earlier in the year and more precipitation is falling as rain versus snow.18 Very snowy winters have generally been decreasing in frequency in most regions over the last 10 to 20 years, although the Northeast has been seeing a normal number of such winters.19 Heavier - than - normal snowfalls recently observed in the Midwest and Northeast U.S. in some years, with little snow in other years, are consistent with indications of increased blocking (a large scale pressure pattern with little or no movement) of the wintertime circulation of the Northern Hemisphere.5 However, conclusions about trends in blocking have been found to depend on the method of analysis, 6 so the assessment and attribution of trends in blocking remains an active research area.

MRD Journal: Abstract: Rising temperatures and changing precipitation patterns across the Hindu Kush — Himalaya (HKH) region resulting from climate change have an influence on water resource availability and food security for the downstream population.

The pattern of change for the wettest day of the year is projected to roughly follow that of the average precipitation, with both increases and decreases across the U.S. Extreme hydrologic events are projected to increase over most of the U.S.

More Scientific Evidence For CO2's Dubious Climate Impact Emerges Image Source: Robertson and Chilingar, 2017 According to the most basic precepts of anthropogenic global warming (AGW), variations in CO2 concentrations exert significant control on sea surface temperatures, glaciers, sea levels, and generalized climate dynamics (i.e., precipitation patterns).

Rather, winter precipitation has fluctuated between droughts and pluvials in these watersheds in the last century with no evidence of directional change, a pattern that has reoccurred in the southwestern United States for the last 1000 years [50].

Increased temperatures and changing precipitation patterns will alter soil moisture, which is important for agriculture and ecosystems and has many societal implications.

Because there is no data, no historical precedent, no basis beyond hand - waving assertions that SST warming will make for worse hurricanes and change precipitation patterns in famine - inducing ways.

«However, a number of issues specific to the modeling situation could arise in this context, including: how realistically the AOGCM is able to reproduce the real world patterns of variability and how they respond to various forcings7; the magnitude of forcings and the sensitivity of the model that determine the magnitude of temperature fluctuations; and the extent to which the model was sampled with the same richness of information that is contained in the proxy records (not only temperature records, but series that correlate well with the primary patterns of variability including, for example, precipitation in particular seasons.»

The report finds no proof to back up IPCC hysteria that blames CO2 for melting polar ice caps, rising sea levels, disastrous changes in ocean circulation, or calamitous differences in precipitation patterns and river flows.

In Ghana, for example, agriculture employs over half of Ghana's population, but it's under threat as climate change alters temperatures and precipitation patterns.

As for the link between the two collapses, there doesn't seem to be anything except that they both experienced the same temperature and precipitation patterns.

For example, every few years an ocean cycle appears in the Pacific ocean either as an El Niño and La Niña with global temperature and regional precipitation pattern changes.

For example, the Climate and Health Assessment found that «rising temperatures, changing precipitation patterns, and a higher frequency of some extreme weather events associated with climate change will influence the distribution, abundance, and prevalence» of some vectors like the mosquitos that carry the West Nile virus.

Generally, a significant cooling of the surface occurs in the first weeks after major volcanic eruptions, lasting for one to two years and leading to modified patterns of precipitation, surface pressure and the teleconnection patterns, such as the Arctic Oscillation (AO), North Atlantic Oscillation (NAO)

Volatile precipitation patterns, with heavy rains followed by drought, can lead to ideal conditions for wildfires in some states.

Peterson and Haug 2006 and Newton et al 2006, for example, attribute the coherence to latitudinal migrations of the ITCZ, hypothesizing that it (and other patterns) was further north in the Medieval period and further south in the Little Ice Age, explaining antiphase changes in precipitation whereby northerly tropical sites became drier in the Little Ice Age (Cariaco, Yucatan etc 15N or so) while more southerly tropical sites became wetter in the Little Ice Age (Lake Titicaca, Lake Malawi, Quelccaya etc. all at 10S or so).

This report discusses our current understanding of the mechanisms that link declines in Arctic sea ice cover, loss of high - latitude snow cover, changes in Arctic - region energy fluxes, atmospheric circulation patterns, and the occurrence of extreme weather events; possible implications of more severe loss of summer Arctic sea ice upon weather patterns at lower latitudes; major gaps in our understanding, and observational and / or modeling efforts that are needed to fill those gaps; and current opportunities and limitations for using Arctic sea ice predictions to assess the risk of temperature / precipitation anomalies and extreme weather events over northern continents.

Amid a new normal of wild weather events and volatile precipitation patterns, the world's dams that were designed for the climate of their time are ill - prepared for radical shifts in river flow and precipitation.

For example, a relatively slow shift in the distribution of precipitation could give rise to relatively rapid changes in precipitation patterns in regions that lie at the interface of dry and rainy regions (see Figure 2.8), potentially altering a location's local climate with possible ramifications to water supplies and / or agriculture for exampFor example, a relatively slow shift in the distribution of precipitation could give rise to relatively rapid changes in precipitation patterns in regions that lie at the interface of dry and rainy regions (see Figure 2.8), potentially altering a location's local climate with possible ramifications to water supplies and / or agriculture for exampfor example.

Rising temperatures and changing patterns of precipitation and storm activity are driving iconic plants and animals out of areas where they have lived for centuries or longer.

Climate models disagree in pattern and magnitude of projected changes in atmospheric circulation and climate variability, particularly for precipitation (e.g., with respect to the Indian and West African monsoons).

But recently, proposals for new dams have emerged, mostly in the name of improving water supplies strained by urban growth, a desire to irrigate more cropland, or adapting to expected changes in precipitation patterns accompanying climate change.

Dams are hardly the only way to meet demand for water, whether it's new demand due to population growth or to adjust to altered precipitation or runoff patterns resulting from climate change.

Lower case a-h refer to how the literature was addressed in terms of up / downscaling (a — clearly defined global impact for a specific ΔT against a specific baseline, upscaling not necessary; b — clearly defined regional impact at a specific regional ΔT where no GCM used; c — clearly defined regional impact as a result of specific GCM scenarios but study only used the regional ΔT; d — as c but impacts also the result of regional precipitation changes; e — as b but impacts also the result of regional precipitation change; f — regional temperature change is off - scale for upscaling with available GCM patterns to 2100, in which case upscaling is, where possible, approximated by using Figures 10.5 and 10.8 from Meehl et al., 2007; g — studies which estimate the range of possible outcomes in a given location or region considering a multi-model ensemble linked to a global temperature change.

The studies indicate that the observed pattern of mid-tropospheric warming in recent decades over west central Asia led to an increase in instability of the western winds thereby increasing WDs leading to a higher propensity for heavy precipitation over the western Himalayas.

9.3.1 Global Mean Response 9.3.1.1 1 % / yr CO2 increase (CMIP2) experiments 9.3.1.2 Projections of future climate from forcing scenario experiments (IS92a) 9.3.1.3 Marker scenario experiments (SRES) 9.3.2 Patterns of Future Climate Change 9.3.2.1 Summary 9.3.3 Range of Temperature Response to SRES Emission Scenarios 9.3.3.1 Implications for temperature of stabilisation of greenhouse gases 9.3.4 Factors that Contribute to the Response 9.3.4.1 Climate sensitivity 9.3.4.2 The role of climate sensitivity and ocean heat uptake 9.3.4.3 Thermohaline circulation changes 9.3.4.4 Time - scales of response 9.3.5 Changes in Variability 9.3.5.1 Intra-seasonal variability 9.3.5.2 Interannual variability 9.3.5.3 Decadal and longer time - scale variability 9.3.5.4 Summary 9.3.6 Changes of Extreme Events 9.3.6.1 Temperature 9.3.6.2 Precipitation and convection 9.3.6.3 Extra-tropical storms 9.3.6.4 Tropical cyclones 9.3.6.5 Commentary on changes in extremes of weather and climate 9.3.6.6 Conclusions

Fast and Slow Responses to Global Warming: Sea Surface Temperature and Precipitation Patterns The deep ocean warming retards the surface warming in the fast response but turns into a forcing for the slow response.