Sentences with phrase «water demand»

But a question less often asked is, what is the impact of increased human water demand in creating water stress?

Climate and CO2 trends have driven significant changes in global crop water demand over the last 30 years but with variation by region and crop type.

Great for luxury homes with high hot water demands.

As a consequence, seasons with the highest water demand, typically summer and fall, are being impacted by a reduced availability of fresh water.

If trends continue, it could be a challenge for adaptation efforts to keep pace with water demand.

Across the country, water demand from power plants is combining with pressure from growing populations and other needs, and is straining our water resources — especially during droughts and heat waves.

This means that less water is available during the hotter months when water demand tends to be highest.

Between 2005 and 2030, the number of people living in areas where water demand will exceed available supplies could rise 40 percent, from 2.8 billion to 3.9 billion, the company said.

The effects of climate change are expected to significantly increase water demand across the country.

This means less water is available during the hotter months, when water demand tends to be highest.

This criticism is exaggerated: green - revolution varieties are not «extremely low yielding when measured against water demand».

While the demand for water is growing, revenues and profits from water demand does not come without serious investment on the behalf of a water utility.

High - risk outcomes are defined as years in which water supply is below the drought threshold and water demand above the demand threshold.

As a finite resource out here, the oil sands have huge water demands, but there's only so much to go around.

Managers and policymakers will need to manage trade - offs among food, energy, and water demands in a changing climate while minimizing risks.

And, solar water heaters containing plastics can provide up to two - thirds of a household's annual hot water demand, reducing energy consumption.

The volume of runoff also increases, reducing the amount of water available during the dry summer months when water demand is higher and supplies are lower.

This is a guest post by John Rogers, senior energy analyst with the Union of Concerned Scientists (UCS) and co-manager of the Energy and Water in a Warming World Initiative (EW3) that looks at water demands of energy production in the context of climate change.

Figure 3.7 illustrates, from a suite of six GCM scenarios, the worst - case and least - impact scenario changes in annual water supply and crop water demand for Trout Creek compared with a drought supply threshold of 30 million m3 / yr (36 % of average annual present - day flow) and observed maximum demand of 10 million m3 / yr (Neilsen et al., 2004).

This report emphasizes that social changes, such as changing patterns of water use and water management decisions, are likely to have at least as much of an impact on water demand as environmental factors do on water supply.

Cool roofs can reduce water demand by reducing the ambient air temperature — this study found urban cooling ranging from 1 to 1.5 degrees Celsius — which means lawns and other landscaping need less water.

California will become increasingly dependent on the whims of a few big storms to meet water demand, according to research into the effects of climate change.

The regions most prone to an increase in drought risk are the Mediterranean (Portugal, Spain) and some parts of central and eastern Europe, where the highest increase in irrigation water demand is projected (Döll, 2002; Donevska and Dodeva, 2004).

A first in Alberta, the Alberta Nexus Project analysed strategic plans as well as existing watershed and industry data within the Bow River Basin to create an interactive simulation that shows the influence of future water demand on overall water management and availability on a regional basis.

Making freshwater from the sun Concentrating solar power offers a solution for rising water demand in the Middle East and North Africa 30 January 2017

Our results emphasize the importance of snow for fulfilling human water demand in many NH basins, and highlight the need to account for the full range of internal climate variability in developing robust climate risk management decisions.

Berkeley Lab researchers Pouya Vahmani and Andrew Jones found that implementing cool - roofs over NorCal (a) and SoCal (b) leads to average urban evaporative water demand reductions of 15 % and 18 %, respectively.

Vahmani and Jones plan to follow up this study by expanding into agriculture as well as investigating strategies for mitigating hot weather and growing water demand.

«Los Angeles needs to reduce local water demand while also transforming its water supply infrastructure to maximize recycled water, groundwater supply and stormwater capture.»

Questions that remain unanswered and are of interest to biometeorologists include: how do these contrasting landscapes affect the exchanges of energy on seasonal and annual time scales; and, do biophysical constraints imposed by water supply and water demand affect whether the land is occupied by open grasslands or savanna?

And water is a looming crisis: a recent McKinsey report forecasts that global water demand will rise 40 % over the next 20 years.

Snover divides the potential adaptation strategies into three categories — increasing water supply, decreasing water demand, and increasing flexibility.

Water demand looks set to rise and, together with the uncertain effects of future climate change, this puts water planners under considerable pressure.

The report takes a fascinating look at how water demands are changing, the policies currently in place, projected policies, and the future of fresh water across the planet, but with a very specific look at India.

To identify agricultural water requirements and the potential for water conservation, we have developed a GIS based model to estimate water demand based on crop type, seasonal crop development, and spatial distribution.

Gains in urban and agricultural water use efficiency have offset this rapid increase in the number of water users to the extent that overall water demand is nearly the same in 2013 as it was in 1977 (5).

Constructed between 1937 and 1945, the Delaware Aqueduct draws from four reservoirs — the Cannonsville, Pepacton, Neversink and Rondout — to provide between 50 and 80 percent of the City's daily water demand.

The government estimates the 200,000 extra homes across the Thames Gateway, Milton Keynes and the south Midlands, Asford in Kent, and in Essex, will only see water demand increase by 12 million litres per day by 2015 - an increase of 0.1 per cent.

Rizzi says the 53 - page report contains analysis based upon the most recent population projections, water demand forecasts, weather trends, water supply information, and economic growth patterns, and confirms forecasts from 2006 and 2010.

Rainfall shifts caused by climate change plus the escalating water demands of a growing world population threaten society's ability to meet its mounting needs.

Numerical experiments combining climate model outputs, water budgets, and socioeconomic information along digitized river networks demonstrate that (i) a large proportion of the world's population is currently experiencing water stress and (ii) rising water demands greatly outweigh greenhouse warming in defining the state of global water systems to 2025.

Water demands continue to inch up year after year even as climate change queers supply.

The researchers separate six key strategy areas for reducing water stress into «hard path» measures, involving building more reservoirs and increasing desalination efforts of sea water, and «soft path» measures that focus on reducing water demand rather than increasing water supply thanks to community - scale efforts and decision - making, combining efficient technology and environmental protection.

«The irrigation water demands simulated by the model were matched quite well by the customer data, given the complex nature of urban irrigation,» Vahmani said.

And from a water management standpoint, it's an entirely different way of thinking — to manipulate the local climate in order to manipulate water demand.»