Every year,moist air masses known as monsoon produce large amounts of rainfall in India,East Asia, northern Australia and East Africa.

VOA: special.2010.05.25

It's another thing to know what was the average rainfall in Bangkok in 1984.

而知道,1984年曼谷的平均降雨量是另一回事。

耶鲁公开课 - 死亡课程节选

"In a case where we do not have a lot of rainfall, it means we are going to lose all the crops.

VOA: special.2010.05.11

Reports say the study may lead to better predictions of temperatures, rainfall and the intensity of weather systems.

VOA: special.2009.09.29

Rainfall has a direct link to the growth and width of rings on some kinds of trees.

VOA: special.2010.05.25

Her eyes flew open. She could hear the steady rainfall on the roof top.

VOA: special.2009.02.28

This creates more rainfall. The trade winds become stronger as the process gets repeated.

VOA: special.2009.09.29

It can grow up to four meters tall. With about one and one-half meters of rainfall each year, plants and trees never stop growing in the Everglades.

VOA: special.2009.06.30

The program also uses solar-powered weather stations to record local rainfall amounts.

VOA: special.2010.05.11

Lack of rainfall is one of their main causes of food shortages.

VOA: special.2010.01.11

Plants established in the ground may do well just with normal rainfall.

VOA: special.2010.06.29

Ladakh,situated more than 11,000 feet above sea level, is a high altitude desert where rainfall is usually very small.

VOA: standard.2010.08.06

Parts of Australia have seen below-average rainfall for several years and the outlook for many parched communities is not good.

VOA: standard.2009.09.03

But heavy rainfall could also trigger massive flooding, lost livestock, and displacement, bringing more misery to millions.

VOA: standard.2009.10.06

It warns of a nearing catastrophe. For Intifar's father, Mahmoud Abu Ibrahim,a farmer in his 80s whose crops depend on rainfall, the catastrophe is here.

VOA: standard.2009.08.01

Unusually severe rains began falling on September 1 in Burkina Faso, depositing about one-quarter of the country's annual rainfall on the capital,Ouagadougou in just one day.

VOA: standard.2009.09.13

That means that one-quarter of Burkina Faso's annual rainfall happened in just one day.

VOA: standard.2009.09.05

One important factor affecting the water quality is the area's temperature and rainfall, and Hunt's model is set up for the mid-Atlantic region of the United States.

VOA: standard.2010.08.04

That is one-quarter of the country's average annual rainfall.

VOA: standard.2009.09.08

And Africa,where approximately depends on rainfall, is particularly vulnerable, Climate change can be reversed, in part,he says, through reforestation programs, better land management and the rehabilitation of degraded crop and pasture land.

VOA: standard.2010.03.29

Rice is one of the world's most abundant food crops. The success of this grain can be attributed to the availability of both manpower for planting and harvesting, as well as plentiful rainfall in the regions where it's grown.

VOA: standard.2010.06.25

More than 150,000 people have left their homes in Burkina Faso, many in the capital Ouagadougou, where the United Nations says the amount of rain that fell in one day last week equals one-quarter of the nation's average annual rainfall.

VOA: standard.2009.09.06

looked at things like where should they locate waste water treatment facilities because of the impacts of climate change, what risks are likely to occur to their subway system because it's underground and already requires enormous pumping of water during certain large rainfall events."

VOA: standard.2010.06.14

So far,the answer is no. Even though some of Louisiana's quarter-million hectares of rice farms are located within shouting distance of bespoiled marshes, rice ponds rely on fresh water from wells and rainfall - not saltwater that,even without oil, would kill tender plants.

VOA: standard.2010.06.17