Thursday, March 12, Droughts and dry, arid conditions are naturally occurring phenomena in Australia. Such an environment is conducive to wild fires, which are started mainly by lightning and can occur throughout the year, but typically emerge between October and April and are most prevalent during the Southern Hemisphere summer; they are part of the seasonal cycle in Australia. However, some years are worse than others, and the wild fire season was especially bad.
It has been estimated that upwards of 46 million acres were burned, or roughly the size of the entire state of Washington. In terms of area Tuesday, October 22, Rainfall was scarce across much of the country in the month of September, pushing the eastern and southern thirds of the country into drought conditions. Thursday, October 17, Accurate and reliable precipitation records are not only crucial to understanding trends and variability but also for water management resources and food security, ecological management, and weather, climate and hydrological forecasting.
Here we present a few highlights showcasing how GPM IMERG is helping a variety of end users make decisions that will benefit society for years to come.
Monsoons: Wet, Dry, Repeat. Evaporation and infiltration benefit human, animal and plant life by purifying water. When water evaporates, the pollutants and sediments in it are left behind. Even aquatic life need water purified, as salt water must be within certain pH and saline ranges. As water undergoes infiltration, the ground purifies it of pollutants and contaminants.
Perhaps most important, the water cycle distributes water -- though unevenly -- all over the earth's surface. This is important because if water was not distributed, gravity would push it all into the lowest places -- the oceans.
The water cycle continually feeds fresh water to all life on the planet: humans, animals and plants. Not all of the water that precipitates ends up as runoff. Some of it soaks into the ground -- a water cycle process known as infiltration.
At this stage, the water is pure and drinkable. Some of the water that infiltrates the ground fills aquifers and other underground stores. Some of this groundwater finds openings in the land surface and re-emerges as freshwater springs. And still, some of it is absorbed by plant roots and ends up evapostranspiring from leaves.
Those amounts that stay close to the land surface, seep back into surface bodies of water lakes, oceans where the cycle starts all over again.
Thirsty for more water cycle visualizations? Check out this student-friendly water cycle diagram , courtesy of the U. Geological Survey. And don't miss this USGS interactive diagram available in three versions: beginner, intermediate, and advanced. Activities for each of the water cycle's main processes can be found at the National Weather Service's Jetstream School for Weather Hydrologic Cycle page.
Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance. The hydrologic -- or water -- cycle is the continuous movement of water between the earth and the atmosphere. Water reaches land as precipitation such as rain and snow. Then the water evaporates, condenses in the atmosphere to form clouds, and falls to the earth again as precipitation, continuing the cycle.
When water falls to the ground it can collect on the land becoming streams, rivers, lakes, or soaks in to the ground to become groundwater.
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