Sentences with phrase «water transport systems»

For example, freezing and thawing creates air bubbles in plants» internal water transport systems, which can block the flow of water from the roots to the leaves killing the plant.
Drought actually puts the trees» water transport systems under a huge amount of tension, he says, causing air bubbles to leak in, which damages or blocks those pipes.
Findings from the world's longest - running drought study in tropical rainforest show that it is breakages in the trees» water transport system that lead to their death — rather than starvation.
Published online this week in the Proceedings of the National Academy of Sciences, the study found that the species most resistant to drought are those that are better at withstanding stress to the water transport system — composed of internal pipes known as xylem — that carries water from the roots to the crown.

Not exact matches

By the early 1980s, Israel had routinized the aggregation and purification of the country's wastewater and built a parallel water infrastructure system to transport treated water to farms.
Even the best people will not attain the best potential of their lives when they live in a very imperfect society; for example a society that does little about the way industry pollutes the air and water and whose transport system is inadequate.
To achieve this design - stage accreditation, the project is assessed using a system of environmental measures grouped by management, health and well - being, energy, transport, water, materials, waste, land use and ecology, pollution, and innovation.
Transport and modes of transport in Ghana is accomplished by road transport (bus - based mass transit system), railway, air transport (civil aviation) and water transportTransport and modes of transport in Ghana is accomplished by road transport (bus - based mass transit system), railway, air transport (civil aviation) and water transporttransport in Ghana is accomplished by road transport (bus - based mass transit system), railway, air transport (civil aviation) and water transporttransport (bus - based mass transit system), railway, air transport (civil aviation) and water transporttransport (civil aviation) and water transporttransport (ferry).
«This government is committed to improving on the road transport network, the water transportation system, the public transport infrastructure and most importantly attract the needed investment to fund our Strategic Transport Master Plan (STMP), which is already being implementetransport network, the water transportation system, the public transport infrastructure and most importantly attract the needed investment to fund our Strategic Transport Master Plan (STMP), which is already being implementetransport infrastructure and most importantly attract the needed investment to fund our Strategic Transport Master Plan (STMP), which is already being implementeTransport Master Plan (STMP), which is already being implemented».
Reduced rainfall forecast in coming decades could cause the breakdown of the transport system in trees that takes water up from soil to the leaves, scientists say.
This pathway of water and nutrient transport can be compared with the vascular system that transports blood throughout the human body.
Sharpshooters are leaf - hoppers that suck nutrients from the water - transport systems of plants.
Of general importance for systemic calcium signaling is the wounding of the vascular system of the leaf, which is also responsible for the internal transport of water and nutrients in the plant.
It also forced scientists to rethink their ideas about how comets transported water and organic material around the newborn solar system 4.6 billion years ago.
Such micro-structured surfaces have helped design new surfaces that mimic surfaces found in nature, such as self - cleaning surfaces, reduced - drag surfaces, surfaces capable of transporting liquids in microfluidic systems, variants with anti-icing or heat transfer properties, and even surfaces that facilitate oil - water separation.
The most convincing evidence for this, says Jouzel, comes from isotope ratios; ice that has frozen in site has a higher proportion of water molecules containing the heavy form of oxygen, oxygen - 18, than that of ice that has been transported over long distances by weather systems.
A team including Princeton University researchers has found that tree species that can withstand stress to the water - transport system that carries water from the roots to the crown are less susceptible to drought and massive die - off.
Adriaan Slob, Senior Researcher, TNO Strategy and Policy Tara Geerdink, Senior Researcher, TNO Strategy and Policy Piotr Magnuszewski, Scientific Director, Centre for Systems Solutions Dejan Komatina, Secretary, International Sava River Basin Commission Fred Heuer, Former Director General in the Dutch Ministry of Transport, Water and infrastructure Philippe Pypaert, Programme Specialist, UNESCO Venice Office Samo Grošelj, Deputy Secretary for Protection of Waters and Aquatic Eco-system, International Sava River Basin Commission
All of this is compounded by the fact that trees close their stomata (surface pores that control gas exchange) when facing drought to prevent water loss from transpiration, but this can collapse the hydraulic transport system.
Similarly, species with narrow water transport cells acquired a finer circulatory system well before they confronted cold climates.
The project involved developing the systems to remove 2,300 metric tons of deteriorating spent nuclear fuel from the water - filled basins near the Columbia River and transporting the fuel to a dry storage facility near the center of the Hanford site.
Coastal and boundary current systems with a focus on processes that link the nearshore and continental shelf to the open ocean, such as along - and across - shore transport processes, stirring and mixing of water masses, and the coastal response to larger - scale forcing events; long - duration, high - resolution observations using autonomous underwater gliders.
Drink plenty of waterwater plays a great role in our body.It keeps our metabolism running, helps transport the nutrients to the muscle cells and also helps flush your system waste and bacteria.Our body is made up of about 65 - 70 % water.
Sufficient water is required to both deliver nutrients and hormones to where they need to go in your system, and to also transport wastes out of the body.
Take home message: Whenever possible, eat whole foods because they contain ample amounts of water, because this internal water supply aids your digestive system in digesting, absorbing, transporting, and oxidizing vital macronutrients all throughout your body.
Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram
And a convoluted tale it is, involving the country's wealth of natural resources (coal, iron, copper and water for powering machines and transporting goods), the comparatively high literacy rate that enabled common folk to educate themselves in science and technology, a patent system that protected the rights of inventors and gave them economic incentive to both create and refine devices, and a population large and wealthy enough to form a profitable market for products the new industries turned out.
Civil engineers are specialized construction engineers, municipal engineers, transport engineers, water supply distribution engineers, and they are accounted for design, construction, and management of harbors, railways, sewerage system, water supply, and gas.
This transcendence can be as open to interpretation as the evaporation of sea water, the struggle to personify the natural world in human form in order to make an emotive connection, or ultimately, the idea of interpreting a belief system as architecture, both of the natural and man - made world, in order to transport oneself from a secular state to a sacred experience.
Conceptually, it's hard to see how the Gulf Stream western boundary current could be weakened by conditions around Greenland; this is a fluid dynamics system, not a mechanical «belt»; a backup due to less deep water formation should have little effect on the physics of the gyre and the formation of the western boundary current, and it also seems the tropical warming and the resulting equator - to - pole heat transport are the drivers — but perhaps modulation by jet stream meandering is playing some role in the cooling?
Ultimately if the freshwater melt was a dominant (which seems hard to believe given the scale of the wind - driven gyre transport) factor, it would be entrained into the gyres at the surface and you'd see an overall freshening of North Atlantic surface waters to make the whole system more like the Pacific, which has a much weaker meridional overturning circulation.
IBM thinks one of its 10 MW data centers could heat about 700 homes, and they're looking into using a water - cooled system to transport the heat.
This «turn - key» mobile unit integrates a solar panel and battery storage with a filtration and purification system into a utility wagon that can be easily transported to the water source, supplying up to 4320 gallons of safe drinking water per day.
«It's not a tax on water, it's a tax on plastic,» says Alderman George Cardenas, who introduced the measure to help offset revenue declines from the city water system, reduce litter and decrease the amount of oil used to produce and transport bottled water
These processes affect the transport of water, heat, salinity, nutrients and carbon in the ocean, impacting on the climate system by modifying it's ability to absorb human - emitted carbon dioxide and excess heat resulting from increased carbon dioxide concentrations.
The report argues for a strong GEF role in such emerging sectors with high mitigation potential as urban systems combining transport, buildings, water supply, waste treatment, food supply and land use zoning, AFOLU (Agriculture, Forest and Other Land Use), agri - food supply systems — including emerging and often controversial mitigation opportunities such as short - lived climate forcers and carbon capture and storage.
Water monitoring will be done through a comprehensive and integrated approach that quantifies and assesses the sources, transport, loadings, fate, and types of oil sands contaminants in the Athabasca River system and effects on key aquatic ecosystem components (both within the oil sands development area and in downstream receiving environments) that are measures of ecosystem health and integrity (fish, invertebrates).
Associated with our work on atmospheric circulation patterns we are studying energy transport in the earth system and the transport of water in the atmosphere on different time and space scales.
Our results suggest that the majority of the world's deep water is not transported back to the surface along the current systems of the standard great ocean conveyor (GOC).
The extra boost from the warmer water is adding even more energy into this storm system, increasing the availability and transport of moisture toward land and producing more efficient wind gusts to the surface.
8 global circulation of deep ocean currents transports warm water to colder areas & cold water to warmer areas efficient heat - transport system drives Earth's climate
The report, which was two years in the making, was intended to help the New York state government take steps now to get people out of harm's way — and factor climate change into long - term planning to protect transport, water and sewage systems.
The problems we are working on range from basic studies of circulation patterns of water in the ocean and groundwater flow systems to the variability of the oceanic circulation under natural and anthropogenically forced conditions or the transport and transformation of contaminants.
The Atlantic Meridional Overturning Circulation, also known as the Gulf Stream System, brings warm waters from the South to the North, where it sinks into the deep and transports cold water from the North to the South.
Similar to the return flow in a household heating system, these currents transport colder waters into the tropics where they are heated and transported poleward in the western boundary currents.
The basic results of this climate model analysis are that: (1) it is increase in atmospheric CO2 (and the other minor non-condensing greenhouse gases) that control the greenhouse warming of the climate system; (2) water vapor and clouds are feedback effects that magnify the strength of the greenhouse effect due to the non-condensing greenhouse gases by about a factor of three; (3) the large heat capacity of the ocean and the rate of heat transport into the ocean sets the time scale for the climate system to approach energy balance equilibrium.
Even for a tough species like a juniper, known for its strong water - transporting system, cells can collapse, damaging or killing the tree.
be trained to recognise a property's environmental benefits; proximity to public transport, passive solar design, thermal efficiency, renewable energy systems, ventilation, water saving landscaping, daylighting, etc. 8.
Under Transport is the Aquaduct, a water filtration system cum bicycle for people in the developing world who have to travel distances to get clean water.
Topics that I work on or plan to work in the future include studies of: + missing aerosol species and sources, such as the primary oceanic aerosols and their importance on the remote marine atmosphere, the in - cloud and aerosol water aqueous formation of organic aerosols that can lead to brown carbon formation, the primary terrestrial biological particles, and the organic nitrogen + missing aerosol parameterizations, such as the effect of aerosol mixing on cloud condensation nuclei and aerosol absorption, the semi-volatility of primary organic aerosols, the importance of in - canopy processes on natural terrestrial aerosol and aerosol precursor sources, and the mineral dust iron solubility and bioavailability + the change of aerosol burden and its spatiotemporal distribution, especially with regard to its role and importance on gas - phase chemistry via photolysis rates changes and heterogeneous reactions in the atmosphere, as well as their effect on key gas - phase species like ozone + the physical and optical properties of aerosols, which affect aerosol transport, lifetime, and light scattering and absorption, with the latter being very sensitive to the vertical distribution of absorbing aerosols + aerosol - cloud interactions, which include cloud activation, the aerosol indirect effect and the impact of clouds on aerosol removal + changes on climate and feedbacks related with all these topics In order to understand the climate system as a whole, improve the aerosol representation in the GISS ModelE2 and contribute to future IPCC climate change assessments and CMIP activities, I am also interested in understanding the importance of natural and anthropogenic aerosol changes in the atmosphere on the terrestrial biosphere, the ocean and climate.
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