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Rain and Flooding

Rain is a type of precipitation which is readily absorbed by the ground. However, flooding might occur if there is a downpour or heavy rain. Flooding can result in damage to property, illness and even death.

10,606 Questions

Is the world in El Nino or La Nina?

It is important to note that El Niño and La Niña are climate phenomena that occur in the Pacific Ocean and can impact weather patterns globally. Currently, the world is experiencing La Niña conditions, which typically bring cooler sea surface temperatures to the central and eastern Pacific Ocean.

What is the average rain fall in Dubai in a year?

Dubai receives an average annual rainfall of about 3.7 inches (94 mm). This amount of rainfall is considered quite low, making Dubai a desert climate with arid conditions. Rainfall mostly occurs during the winter months and is sporadic.

Where is oxygen produced?

Oxygen is primarily produced through photosynthesis in plants, algae, and some bacteria. This process involves using sunlight to convert carbon dioxide and water into glucose and oxygen. Approximately half of the world's oxygen is produced by phytoplankton in the oceans.

Does rainfall affect the color of leaf changes?

Rainfall can impact the timing and intensity of leaf color changes in trees. Adequate rainfall can promote a longer duration of vibrant colors, while prolonged drought may cause leaves to change colors more quickly or even drop prematurely. Overall, the relationship between rainfall and leaf color change is complex and can vary depending on the specific tree species and environmental conditions.

What type of rainfall found in Ethiopian highlands?

The Ethiopian highlands experience predominantly orographic rainfall. This occurs when moist air is forced to rise over the high mountains, leading to cooling and condensation of the water vapor, resulting in rainfall. This type of rainfall is important for supporting agriculture in the region.

How much rainfall in Katy TX year to date?

I do not have real-time data on rainfall in Katy, TX. I recommend checking the local weather station's website or contacting the National Weather Service for the most up-to-date information on rainfall in the area year to date.

Does the Bergeron Process produce rain or snow?

The Bergeron Process mainly produces snow, by which supercooled water droplets freeze onto ice nuclei in cold clouds. Rain is primarily associated with the collision-coalescence process in warmer clouds.

How are water cycle formed in big summary?

The water cycle, also known as the hydrologic cycle or H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth. Water can change states among liquid, vapor, and solid at various places in the water cycle. Although the balance of water on Earth remains fairly constant over time, individual water molecules can come and go, in and out of the atmosphere. The water moves from one reservoir to another, such as from river to ocean, or from the ocean to the atmosphere, by the physical processes of evaporation, condensation, precipitation, infiltration, runoff, and subsurface flow. In so doing, the water goes through different phases: liquid, solid, and gas. The hydrologic cycle involves the exchange of heat energy, which leads to temperature changes. For instance, in the process of evaporation, water takes up energy from the surroundings and cools the environment. Conversely, in the process of condensation, water releases energy to its surroundings, warming the environment. The water cycle figures significantly in the maintenance of life and ecosystems on Earth. Even as water in each reservoir plays an important role, the water cycle brings added significance to the presence of water on our planet. By transferring water from one reservoir to another, the water cycle purifies water, replenishes the land with freshwater, and transports minerals to different parts of the globe. It is also involved in reshaping the geological features of the Earth, through such processes as erosion and sedimentation. In addition, as the water cycle also involves heat exchange, it exerts an influence on climate as well. Contents [hide] 1 Description 1.1 Processes 2 Residence times 3 Changes over time 4 Effects on climate 5 Effects on biogeochemical cycling 6 Slow loss over geologic time 7 See also 8 References 9 External links [edit] Description The sun, which drives the water cycle, heats water in oceans and seas. Water evaporates as water vapor into the air. Ice and snow can sublimate directly into water vapor. Evapotranspiration is water transpired from plants and evaporated from the soil. Rising air currents take the vapor up into the atmosphere where cooler temperatures cause it to condense into clouds. Air currents move water vapor around the globe, cloud particles collide, grow, and fall out of the sky as precipitation. Some precipitation falls as snow or hail, sleet, and can accumulate as ice caps and glaciers, which can store frozen water for thousands of years. Snowpacks can thaw and melt and the melted water flows over land as snowmelt. Most water falls back into the oceans or onto land as rain, where the water flows over the ground as surface runoff. A portion of runoff enters rivers in valleys in the landscape, with streamflow moving water towards the oceans. Runoff and groundwater are stored as freshwater in lakes. Not all runoff flows into rivers, much of it soaks into the ground as infiltration. Some water infiltrates deep into the ground and replenishes aquifers, which store freshwater for long periods of time. Some infiltration stays close to the land surface and can seep back into surface-water bodies (and the ocean) as groundwater discharge. Some groundwater finds openings in the land surface and comes out as freshwater springs. Over time, the water returns to the ocean, where our water cycle started. [edit] Processes Many different process lead to movements and phase changes in water Precipitation Condensed water vapor that falls to the Earth's surface . Most precipitation occurs as rain, but also includes snow, hail, fog drip, graupel, and sleet.[1] Approximately 505,000 km3 (121,000 cu mi) of water falls as precipitation each year, 398,000 km3 (95,000 cu mi) of it over the oceans.[2] Canopy interception The precipitation that is intercepted by plant foliage and eventually evaporates back to the atmosphere rather than falling to the ground. Snowmelt The runoff produced by melting snow. Runoff The variety of ways by which water moves across the land. This includes both surface runoff and channel runoff. As it flows, the water may seep into the ground, evaporate into the air, become stored in lakes or reservoirs, or be extracted for agricultural or other human uses. Infiltration The flow of water from the ground surface into the ground. Once infiltrated, the water becomes soil moisture or groundwater.[3] Subsurface flow The flow of water underground, in the vadose zone and aquifers. Subsurface water may return to the surface (e.g. as a spring or by being pumped) or eventually seep into the oceans. Water returns to the land surface at lower elevation than where it infiltrated, under the force of gravity or gravity induced pressures. Groundwater tends to move slowly, and is replenished slowly, so it can remain in aquifers for thousands of years. Evaporation The transformation of water from liquid to gas phases as it moves from the ground or bodies of water into the overlying atmosphere.[4] The source of energy for evaporation is primarily solar radiation. Evaporation often implicitly includes transpiration from plants, though together they are specifically referred to as evapotranspiration. Total annual evapotranspiration amounts to approximately 505,000 km3 (121,000 cu mi) of water, 434,000 km3 (104,000 cu mi) of which evaporates from the oceans.[2] Sublimation The state change directly from solid water (snow or ice) to water vapor.[5] Advection The movement of water - in solid, liquid, or vapor states - through the atmosphere. Without advection, water that evaporated over the oceans could not precipitate over land.[6] Condensation The transformation of water vapor to liquid water droplets in the air, creating clouds and fog.[7] Transpiration The release of water vapor from plants and soil into the air. Water vapor is a gas that cannot be seen. [edit] Residence times Average reservoir residence times[8] Reservoir Average residence time Antarctica 20,000 years Oceans 3,200 years Glaciers 20 to 100 years Seasonal snow cover 2 to 6 months Soil moisture 1 to 2 months Groundwater: shallow 100 to 200 years Groundwater: deep 10,000 years Lakes (see lake retention time) 50 to 100 years Rivers 2 to 6 months Atmosphere 9 days The residence time of a reservoir within the hydrologic cycle is the average time a water molecule will spend in that reservoir (see adjacent table). It is a measure of the average age of the water in that reservoir. Groundwater can spend over 10,000 years beneath Earth's surface before leaving. Particularly old groundwater is called fossil water. Water stored in the soil remains there very briefly, because it is spread thinly across the Earth, and is readily lost by evaporation, transpiration, stream flow, or groundwater recharge. After evaporating, the residence time in the atmosphere is about 9 days before condensing and falling to the Earth as precipitation. The major ice sheets - Antarctica and Greenland - store ice for very long periods. Ice from Antarctica has been reliably dated to 800,000 years before present, though the average residence time is shorter.[9] In hydrology, residence times can be estimated in two ways. The more common method relies on the principle of conservation of mass and assumes the amount of water in a given reservoir is roughly constant. With this method, residence times are estimated by dividing the volume of the reservoir by the rate by which water either enters or exits the reservoir. Conceptually, this is equivalent to timing how long it would take the reservoir to become filled from empty if no water were to leave (or how long it would take the reservoir to empty from full if no water were to enter). An alternative method to estimate residence times, which is gaining in popularity for dating groundwater, is the use of isotopic techniques. This is done in the subfield of isotope hydrology. [edit] Changes over time The water cycle describes the processes that drive the movement of water throughout the hydrosphere. However, much more water is "in storage" for long periods of time than is actually moving through the cycle. The storehouses for the vast majority of all water on Earth are the oceans. It is estimated that of the 332,500,000 mi3 (1,386,000,000 km3) of the world's water supply, about 321,000,000 mi3 (1,338,000,000 km3) is stored in oceans, or about 95%. It is also estimated that the oceans supply about 90% of the evaporated water that goes into the water cycle.[10] During colder climatic periods more ice caps and glaciers form, and enough of the global water supply accumulates as ice to lessen the amounts in other parts of the water cycle. The reverse is true during warm periods. During the last ice age glaciers covered almost one-third of Earth's land mass, with the result being that the oceans were about 400 ft (122 m) lower than today. During the last global "warm spell," about 125,000 years ago, the seas were about 18 ft (5.5 m) higher than they are now. About three million years ago the oceans could have been up to 165 ft (50 m) higher.[10] The scientific consensus expressed in the 2007 Intergovernmental Panel on Climate Change (IPCC) Summary for Policymakers[11] is for the water cycle to continue to intensify throughout the 21st century, though this does not mean that precipitation will increase in all regions. In subtropical land areas - places that are already relatively dry - precipitation is projected to decrease during the 21st century, increasing the probability of drought. The drying is projected to be strongest near the poleward margins of the subtropics (for example, the Mediterranean Basin, South Africa, southern Australia, and the Southwestern United States). Annual precipitation amounts are expected to increase in near-equatorial regions that tend to be wet in the present climate, and also at high latitudes. These large-scale patterns are present in nearly all of the climate model simulations conducted at several international research centers as part of the 4th Assessment of the IPCC. There is now ample evidence that increased hydrologic variability and change in climate has and will continue have a profound impact on the water sector through the hydrologic cycle, water availability, water demand, and water allocation at the global, regional, basin, and local levels.[12] Glacial retreat is also an example of a changing water cycle, where the supply of water to glaciers from precipitation cannot keep up with the loss of water from melting and sublimation. Glacial retreat since 1850 has been extensive.[13] Human activities that alter the water cycle include: agriculture industry alteration of the chemical composition of the atmosphere construction of dams deforestation and afforestation removal of groundwater from wells water abstraction from rivers urbanization [edit] Effects on climate The water cycle is powered from solar energy. 86% of the global evaporation occurs from the oceans, reducing their temperature by evaporative cooling. Without the cooling, the effect of evaporation on the greenhouse effect would lead to a much higher surface temperature of 67 °C (153 °F), and a warmer planet.[14] Aquifer drawdown or overdrafting and the pumping of fossil water increases the total amount of water in the hydrosphere[15] that is subject to transpiration and evaporation thereby causing accretion in water vapour and cloud cover which are the primary absorbers of infrared radiation in the Earth's atmosphere. Adding water to the system has a forcing effect on the whole earth system, an accurate estimate of which hydrogeological fact is yet to be quantified. [edit] Effects on biogeochemical cycling While the water cycle is itself a biogeochemical cycle,[16] flow of water over and beneath the Earth is a key component of the cycling of other biogeochemicals. Runoff is responsible for almost all of the transport of eroded sediment and phosphorus[17] from land to waterbodies. The salinity of the oceans is derived from erosion and transport of dissolved salts from the land. Cultural eutrophication of lakes is primarily due to phosphorus, applied in excess to agricultural fields in fertilizers, and then transported overland and down rivers. Both runoff and groundwater flow play significant roles in transporting nitrogen from the land to waterbodies.[18] The dead zone at the outlet of the Mississippi River is a consequence of nitrates from fertilizer being carried off agricultural fields and funnelled down the river system to the Gulf of Mexico. Runoff also plays a part in the carbon cycle, again through the transport of eroded rock and soil.[19] [edit] Slow loss over geologic time Main article: Atmospheric escape The hydrodynamic wind within the upper portion of a planet's atmosphere allows light chemical elements such as Hydrogen to move up to the exobase, the lower limit of the exosphere, where the gases can then reach escape velocity, entering outer space without impacting other particles of gas. This type of gas loss from a planet into space is known as planetary wind.[20] Planets with hot lower atmospheres could result in humid upper atmospheres that accelerate the loss of hydrogen

How is the water cycle an example of recycling nature?

Ya waer cycling is recycling in nature because

The sea waters are evoprated due to heat. Hence it forms as clouds when the strong breeze occurs it cames as rain this rain water flows as river to dams and dams to lakes and finally to sea thus it is recycling process.......

Any doubht contact to :aselvam@jeppiaarinstitute.org

What does hydrological cycle mean in the water cycle?

The hydrological cycle refers to the continuous movement of water on, above, and below the Earth's surface through processes such as evaporation, condensation, precipitation, and runoff. It is a crucial component of the water cycle as it describes the overall circulation and recycling of water across the planet.

How often do floods occur in Massachusetts?

Floods are relatively common in Massachusetts, with the state experiencing periodic flooding events due to heavy rain, snowmelt, and coastal storms. The frequency and severity of floods can vary depending on the region and prevailing weather patterns. It is important for residents to stay informed about flood risks and take appropriate precautions to protect themselves and their property.

What is dew point and how do you know the temperature has reached its dew point?

Dew point is the temperature at which air becomes saturated with water vapor and condensation begins to form. You know the temperature has reached its dew point when water vapor in the air begins to condense into liquid water, such as dew on the ground or fog in the air.

Why does fast food places get super busy when it rains or storms?

Fast food places tend to get busier during rain or storms because people are less likely to want to go to a sit-down restaurant or cook at home during inclement weather. Fast food offers convenience and quick service, making it a more appealing option during bad weather.

When it rains y does the sky turn grey?

When it rains, clouds form in the sky due to the moisture in the air condensing. These clouds appear gray because they block sunlight from passing through, causing the sky to appear darker. This gray appearance is a result of the clouds' thickness and the way they scatter and absorb sunlight.

What does condensation in the water cycle mean?

Condensation in the water cycle refers to the process where water vapor in the air cools down and transforms into liquid water droplets, forming clouds. This occurs when the air temperature drops, causing the water vapor to condense and change from a gas to a liquid state.

What are lines of equal rainfall called?

Lines of equal rainfall are called isohyets. These lines connect points on a map that have received the same amount of rainfall within a specific time period.

Which province has the most rainfall?

On average, British Columbia has the most rainfall of all Canadian provinces. The coastal regions of British Columbia, particularly along the west coast and on Vancouver Island, receive the highest amounts of precipitation due to the moisture-laden air from the Pacific Ocean.

What are glacial deposits?

Glacial deposits are layers of rock, above the bedrock, as produced by the recent ice age(s), the glaciers as they moved across the planet, would pick up debris along the way, and as they moved, to say the area of, Washington State, besides, forming the Puget Sound Basin, called, a Fjord, later melting and leaving behind the various deposits, possibly gem material, gold, diamod's, etc. So theoretically, there could be, deposits, left by recent glaciation, rich in valuable minerals,

What word would tell us how hard or how easy it is for water to flow through soil?

Permeability. This is a measure of how easily water can flow through soil or any porous material. Materials with high permeability allow water to flow through easily, while materials with low permeability restrict water flow.

What causes the 5 elements of thunderstorms starting with heavy rain?

Heavy rain in thunderstorms is typically caused by strong updrafts lifting moisture-laden air to higher altitudes, where it cools and condenses into raindrops. These updrafts are fueled by the release of latent heat as water vapor condenses. Additionally, the presence of an unstable atmosphere with sufficient moisture and strong atmospheric lifting mechanisms can contribute to heavy rain in thunderstorms.

What is the average rainfall in chincoteague a year?

The average rainfall in Chincoteague is around 45 inches per year. It typically experiences a humid subtropical climate with moderate rainfall throughout the year.

Why rainfall in some areas is high and why rainfall in some areas is low?

Rainfall patterns are determined by various factors such as proximity to water bodies, prevailing winds, topography, and temperature differences. Areas near oceans or mountains tend to receive higher rainfall due to moisture-laden air masses. Conversely, areas situated in rain shadow regions or deserts often experience low rainfall due to barriers blocking moisture. Human activities like deforestation and urbanization can also impact local rainfall patterns.

How rainbow occurs?

Rainbows occur when sunlight passes through drops of water. This is why you see rainbows after rain or at fountains and waterfalls. Light moves at different velocities through air and through water. So when sunlight passes through water, it is dispersed. It is first refracted when it enters the droplet, reflected of the back of the drop, and then it is refracted again as it leaves. This refraction of the light into angles within the drop leads to it being visible, and the wavelength of the light is what depends its colour. After rain when sky is clear from the clouds and there is water everywhere. The sun shines on this water and reflects on the sky as rainbow.