Sentences with phrase «hydrological changes in»

Pu, B. & Dickinson, R. E. Hydrological changes in the climate system from leaf responses to increasing CO2.

Although the recent drought may have significant contributions from natural variability, it is notable that hydrological changes in the region over the last 50 years can not be fully explained by natural variability, and instead show the signature of anthropogenic climate change.

Holocene hydrological changes in south - western Mediterranean as recorded by lake - level fluctuations at Lago Preola, a coastal lake in southern Sicily, Italy, Magny et al, 06/2011; read more here.

Holocene hydrological changes in south - western Mediterranean as recorded by lake - level fluctuations at Lago Preola, a coastal lake in southern Sicily, Italy; Magny et al, 2011, see abstract here.

When comparing the history of hydrological changes in the region with artifacts from the Middle Stone Age, the researchers discovered a «striking correspondence between the archaeological record of South Africa and the timing of the abrupt climate change» as seen in the marine core, the study states.

Osborne, J. M., Lambert, H. Groenendijk, M., Harper, A.B., Koven, C.D., Poulter, B., Pugh, T.A.M., Sitch, S., Stocker, B.D., Wiltshire, A. and Zaehle, S. 2015: Reconciling precipitation with runoff: observed hydrological change in the midlatitudes.

Not exact matches

2.6 the change in the health of the asset (s) expected if environmental water is not provided including with regard to the long - term environmental water requirements of the asset (s) relative to recent hydrological conditions; and

«Fragile hydrological equilibrium in the Western Amazon threatened by climate change.»

Climate change is having impacts not only on the hydrological cycle, resulting in increased droughts and floods1, but also on vital water resources and ecosystem services2, such as the ability to regulate water quality through sedimentation3.

Taking factors such as sea surface temperature, greenhouse gases and natural aerosol particles into consideration, the researchers determined that changes in the concentration of black carbon could be the primary driving force behind the observed alterations to the hydrological cycle in the region.

«Looking at changes in the number of dry days per year is a new way of understanding how climate change will affect us that goes beyond just annual or seasonal mean precipitation changes, and allows us to better adapt to and mitigate the impacts of local hydrological changes,» said Polade, a postdoctoral researcher who works with Scripps climate scientists Dan Cayan, David Pierce, Alexander Gershunov, and Michael Dettinger, who are co-authors of the study.

Dams may also change the hydrological cycle in Amazonia, which affects precipitation in the Andes.

That's a growing problem, because in many places, finding water for energy isn't easy - and it's bound to get tougher as energy demands soar and climate change alters hydrological cycles in already arid regions.

The paradox is that this season stands in such stark contrast to the past 11 years of drought, highlighting the types of variability that climate change can wreak on the hydrological cycle.

Guest argues convincingly that this nasty little war has its roots in the hydrological changes brought about by a dam jointly constructed by the two nations on the River Senegal at Lake Manantali.

New data show that extreme weather events have become more frequent over the past 36 years, with a significant uptick in floods and other hydrological events compared even with five years ago, according to a new publication, «Extreme weather events in Europe: Preparing for climate change adaptation: an update on EASAC's 2013 study» by the European Academies» Science Advisory Council (EASAC), a body made up of 27 national science academies in the European Union, Norway, and Switzerland.

The team also hopes that in future analyses, they can link hydrological models with their analyses to study changes in flood risk more directly.

Co-author Dr Alison Kay from the Centre for Ecology & Hydrology said: «Our hydrological modelling suggests that the increased likelihood of extreme rainfall arising from human - made climate change gives a more modest increase in extreme flows in the River Thames.

Hydrological and Climatological Changes in the Trondheimsfjord / Norway during the late Holocene inferred from Benthic Stable Isotopes and Dinocyst Assemblages G. Milzer, J. Giraudeau, S. Schmidt, J. Faust, J. Knies, F. Eynaud, C. Rühlemann > Download

California has recently undergone a rapid hydrological change and its worst drought in recorded history plagued the entire state from 2010 — 2016.

Humans alter that hydrological cycle through water use demand - irrigation being a large use - and cause changes in water supply by affecting evaporation and runoff.

Studies of climate change using global climate models with a focus on changes in the hydrological cycle.

For the hydrological modelling of the Thames river catchment done at CEH we showed that the changes in atmospheric circulation and precipitation caused higher peak 30 - day river flow, while flood risk mapping revealed a small increase in flood risk for properties in the Thames catchment.

Conversion to arable land changes the hydrological regime In the present study, the cause for the decrease in species diversity is the changing hydrological regime resulting from the conversion of forest to arable lanIn the present study, the cause for the decrease in species diversity is the changing hydrological regime resulting from the conversion of forest to arable lanin species diversity is the changing hydrological regime resulting from the conversion of forest to arable land.

It has been argued that the land amplification is associated with lapse rate changes (not represented in the UVic model), and it is certain that drying of the land can play a role (not reliable in the UVic model since diffusing water vapor gives you a crummy hydrological cycle, especially over land).

The patterns of salinity change can be used to infer changes in the Earth's hydrological cycle over the oceans (Wong et al., 1999; Curry et al., 2003) and are an important complement to atmospheric measurements.

In the context of future changes in the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance givIn the context of future changes in the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance givin the atmospheric hydrological cycle, understanding precipitation changes in the subtropics is of particular importance givin the subtropics is of particular importance given

The findings represent evidence for considerable changes in regional hydrological cycles following greenhouse gas emissions.

Changes in ocean salinity can be a useful indicator of chagnes in the hydrological cycle, since the ocean integrates those cChanges in ocean salinity can be a useful indicator of chagnes in the hydrological cycle, since the ocean integrates those changeschanges.

In many regions, changing precipitation or melting snow and ice are altering hydrological systems, affecting water resources in terms of quantity and quality (medium confidenceIn many regions, changing precipitation or melting snow and ice are altering hydrological systems, affecting water resources in terms of quantity and quality (medium confidencein terms of quantity and quality (medium confidence).

http://www.springerlink.com/content/lm0024kv72t3841w/ «The simulated magnitude of hydrological changes over land are much larger when compared to changes over oceans in the recent marine cloud albedo enhancement study since the radiative forcing over land needed (− 8.2 W m − 2) to counter global mean radiative forcing from a doubling of CO2 (3.3 W m − 2) is approximately twice the forcing needed over the oceans (− 4.2 W m − 2).

Andy (or anyone else with full access)-- The abstract states that «Inferences from the observational record... indicate that models underestimate some of the changes in the hydrological cycle.»

The discussion in Vecchi et al. also raises some very interesting issues regarding the way the hydrological cycle might change in a warming world.

I know in general terms that the hydrological cycle should intensify with warming and that one event is hard to pin on climate change, but it would be good to do a catch up on how the broad trend of extreme weather fits the models.

Regional hydrological changes are considered in Chapter 11 and in the IPCC Working Group II report.

The global map of the A1B 2080 to 2099 change in annual mean precipitation is shown in Figure 10.12, along with other hydrological quantities from the multi-model ensemble.

Visible changes in hydrological cycle have been observed in the form of changing precipitation patterns, cropping patterns, droughts, water availability periods, frequency and intensity of heatwaves, precipitation events and weather - induced natural disasters.

We need to look at the evaporative / condensation process combined with ALL aspects of global weather as an ever changing global heat energy removal system and not just as a part of the hydrological cycle as usually set out in models and schematic diagrams.

The end of the first half of the Holocene — between about 5 and 4 ka — was punctuated by rapid events at various latitudes, such as an abrupt increase in NH sea ice cover (Jennings et al., 2001); a decrease in Greenland deuterium excess, reflecting a change in the hydrological cycle (Masson - Delmotte et al., 2005b); abrupt cooling events in European climate (Seppa and Birks, 2001; Lauritzen, 2003); widespread North American drought for centuries (Booth et al., 2005); and changes in South American climate (Marchant and Hooghiemstra, 2004).

Detection of change in world - wide hydrological time series of maximum annual flow: report by a team of experts under the leadership of Zbigniew W. Kundzewicz.

with increasing stress on crops due to changes in the hydrological cycle and heat stress, more and more farmers are seeking answers from modified crops to heartier breeds of cattle that are more accustomed to drought conditions such as those that come from Africa and India.

Using this approach, we prove that changes in climatic and hydrological parameters at global and regional scales are directly or indirectly reflected in sea - level regime.

Development, use and application of the HYDROSPECT data analysis system for the detection of changes in hydrological time series for use in WCP - Water and National Hydrological Services: report by Maciej Radzeijewski and Zbigniew W.hydrological time series for use in WCP - Water and National Hydrological Services: report by Maciej Radzeijewski and Zbigniew W.Hydrological Services: report by Maciej Radzeijewski and Zbigniew W. Kundzewicz.

but no significative changes in the global hydrological cycle only small und big local precipitation's changes

Whatever the cause — global hydrological and climate variability — extreme drought, extreme floods and extreme temperature changes such as has not been seen in the past century — will occur again.

Changes in hydrological cycles have taken place and the depletion of water resources are the top challenges Nepal faces in context of climate change.

Wrona, F. J., et al. (2016), Transitions in Arctic ecosystems: Ecological implications of a changing hydrological regime, J. Geophys.

``... snow pack has decreased and been observed to melt earlier in the calendar year... the observed changes in the hydrological components... can be explained well by anthropogenic forcing (green house gases and aerosols) alone.»

A new study shows that the AMOC is more sensitive to warming, including changes in the atmospheric hydrological cycle, than Greenland Ice Sheet melting.

This policy document consists of a COP 16 position paper presenting the role that the weather, climate and hydrological communities can play in effectively addressing the objectives of the United Nations Framework Convention on Climate Change (UNFCCC).