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Showing posts with label persists. Show all posts

As drought persists, many scramble to save every drop of water

By Carey Gillam

Thu Jan 17, 2013 2:26pm EST

n">(Reuters) - The drought that crippled many communities across the nation last year shows little sign of retreating, and the threat of persistent water scarcity is spurring efforts to preserve every drop.

As the drought of 2012 creeps into 2013, experts say the slow-spreading catastrophe presents near-term problems for a key U.S. agricultural region and potential long-term challenges for millions of Americans.

"Everyone is wondering whether this dry weather is the new norm ... or an anomaly that will soon pass," said Barney Austin, director of hydraulic services for INTERA Inc, an Austin, Texas-based geoscience and engineering consulting firm. "We all hope for the latter, but it's hard to tell."

The signs of distress and the search for answers are most prevalent in the Plains, where historic drought blankets much of Nebraska, Kansas, Oklahoma and parts of Texas.

This month the small Oklahoma farming town of Wapanucka lost water completely when the spring-fed wells the community relies on ran dry. Officials closed schools and residents had to do without tap water until the town could run a line to a neighboring water district.

In Texas, state lawmakers are pushing for a $2 billion fund to finance water infrastructure projects as numerous communities face their own shortages. But it won't be soon enough to help rice farmers, who were told this month that there is not likely to be enough water to irrigate their fields this spring.

Meanwhile, in the big wheat-growing state of Kansas, penalties for exceeding water use limits for irrigation were doubled this month and Governor Sam Brownback has launched a task force to come up with strategies to counter statewide shortages.

"It's going to be dry again this year," said Lane Letourneau, water appropriations manager for the Kansas Agriculture Department. "We consider this a really big deal."

SEARCHING FOR SOLUTIONS

Water use is already tightly curtailed in many states. Years of low rainfall and high heat - last year was the hottest on record for the United States, according to the National Oceanic and Atmospheric Administration - have diminished surface waters even as population and water demand expand.

As well, agricultural and oil and gas interests are pumping the precious commodity from underground aquifers at a pace that often cannot be matched by natural replenishment.

"Water has been viewed as a basic commodity, a basic right," said Les Lampe, a water expert with consultancy Black & Veatch. "You turn on the tap and water comes out and you don't pay very much for it. That has to change."

Farmers are feeling the pain of water shortages most acutely. After multibillion-dollar crop and livestock losses tied to last year's drought, they fear more losses are coming.

Texas rice growers who depend on the lower Colorado River valley for survival are eyeing the fluctuating levels of two key lakes used for irrigation when river levels are too low.

State officials said this month that without enough rain by spring, rice farmers could be completely cut off from irrigation, jeopardizing about 2 percent of the U.S. crop and about $1 billion for the Texas economy.

"We've got a shortage of water," said Ronald Gertson, a rice grower and chairman of the Colorado Water Issues Committee. "People are going to be both hungry and thirsty before they wake up to this problem."

Forecasts show drier-than-normal weather likely prevailing in the Plains and western Midwest for the next few months at least. But even normal rainfall levels would not be enough to fully recharge resources.

Three to five times more rain than normal is needed in key corn-growing areas that include Nebraska and Kansas, for instance, to ease soil dryness after last summer's drought, according to Don Keeney, an agricultural meteorologist with Cropcast weather service.

Roughly 60.26 percent of the contiguous United States was in at least moderate drought as of January 8, according to a "Drought Monitor" report issued by a group of federal and state climatology experts. Severe drought still blanketed 86.20 percent of the High Plains.

"This drought certainly has gotten people's attention," said Joe Straus, speaker of the Texas House of Representatives. "Regardless of whether it starts raining now or not, long-term water planning is essential. We need to be responsible."

For some, it's already an emergency. Persistent dry conditions in north-central Oklahoma led officials in Payne County to declare a state of emergency this month as the reservoir providing water to nearly 16,000 residents in seven counties fell to record low levels.

The approximately 500 residents of Wapanucka are talking of higher rates to fund a permanent pipeline to a new water source. But running out of water has shown how harsh doing without water can be, said Julie Wallis, Wapanucka's city water clerk.

"We are not going to be the only ones who this happens to," said Wallis. "It's coming."

(Reporting by Carey Gillam; Editing by Dan Grebler)


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Chesapeake Bay shows signs of recovery, but pollution persists


WASHINGTON | Thu Jan 31, 2013 11:32am EST


WASHINGTON (Reuters) - The Chesapeake Bay, North America's biggest estuary, is still ailing but making some progress as it struggles to recover from over-fishing and pollution, a partnership overseeing its revival said on Thursday.


The number of juvenile crabs is the highest in two decades, rockfish are stable and last year's "dead zone," the part of the bay without enough oxygen to support life, seems to be the smallest since 1985, the Chesapeake Bay Program said in its 2011-12 "Bay Barometer."


On the down side, water clarity was very poor and only a third of the bay met standards for dissolved oxygen, a measure of water's health. The oyster population also was at less than 1 percent of historic levels.


"While we clearly have a lot of work to do, the bay is resilient and we have reason for hope," Nick DiPasquale, director of the federal and state program, said in a statement.


The Chesapeake Bay, home to more than 3,600 species of plants and animals, has been fouled by decades of over-fishing and pollution. Pollutants include sediment, manure, trash and chemicals that flow into it from its 64,000-square-mile (166,000-square-km) watershed across six states.


The Chesapeake Bay Program was formed in 1983 to restore the estuary, where salt water from the ocean mixes with fresh water. It includes Maryland, Pennsylvania, Virginia, the District of Columbia, the Environmental Protection Agency and citizens groups.


The group said that most of the bay's feeder freshwater streams were in poor or very poor condition. Water murkiness and algae levels in 2011 were the worst since 2009.


But the big Susquehanna Flats grass bed survived Tropical Storm Lee in 2011. In another sign of health, grasses in the middle of the Chesapeake showed "dramatic increases," the program said.


The adult female crab population was still within the sustainable range in 2012 despite falling for two years.


Nitrogen and phosphorus, components in fertilizers that contribute to algae growth, each moved about 20 percent closer to their targets from July 2009 to June 2011 under a bay "pollution diet."


Sediment was about 30 percent nearer its target, helped by more forested buffers being planted to limit runoff into streams and rivers.


In a separate report, the U.S. Geological Survey said this month that nutrient and sediment trends at nine bay monitoring sites had shown an overall lack of improvement through 2010.


(Reporting by Ian Simpson; Editing by Leslie Adler)


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U.S. spring crop season jeopardized as drought persists


Thu Jan 31, 2013 1:19pm EST


n">(Reuters) - The unrelenting drought gripping key farming states in the U.S. Plains shows no signs of abating, and it will take a deluge of snow or rain to restore critical moisture to farmland before spring planting of new crops, a climate expert said on Thursday.


"It's not a pretty picture," said climatologist Mark Svoboda of the University of Nebraska's Drought Mitigation Center.


Precipitation in the Plains region has been 3-6 inches shy of normal levels since October, and some areas are nearly 16 inches short of much-needed moisture over the last nine months, said Svoboda.


The drought that last year ranked as the worst in roughly 50 years is still entrenched in the nation's mid-section. This month was considered the worst January in terms of drought over the 13 years that a consortium of federal and state climatology experts have been monitoring drought levels and issuing regular "Drought Monitor" reports, said Svoboda.


"The January number is the highest amount of coverage for the U.S. since we've been doing this," Svoboda said.


Thursday's Drought Monitor report showed severe drought still gripping 87.25 percent of the High Plains, unchanged from the prior week. Fully 100 percent of the land area in Kansas, Colorado, Nebraska and Oklahoma remained engulfed in severe drought or worse, according to the Drought Monitor.


Nebraska remained the most drought-stricken state, with 96.28 percent in extreme drought - the second-worst level of drought - and 77.46 percent in exceptional drought, considered the most dire.


The Plains states are key crop production areas, particularly for hard red winter wheat, an important bread-making crop. And they are critical areas for cattle and other livestock production.


Overall, 57.68 percent of the contiguous United States was in at least "moderate" drought as of January 29, a slightly worse situation than the previous week's tally of 57.64 percent. Exceptional drought expanded slightly to 6.37 percent, up from 6.36 percent of the country.


Millions of acres from South Dakota to Oklahoma and west into Wyoming, Colorado and New Mexico and east into Missouri and Arkansas, are short more than half of the normal moisture they receive, said Svoboda.


The dry conditions have been exacerbated by unseasonably warm conditions in many areas.


The U.S. winter wheat crop that was planted last fall is struggling for survival now as a result, and will need substantial moisture to emerge in the spring.


Corn and soybeans crops, generally planting in April or shortly after, will also need good soil moisture to get the plants off to a healthy start before summer sets in. But there are no signs of any significant weather pattern shifts to bring about heavy precipitation, said Svoboda.


"Instead of normal, we'd like to see 150 percent of normal," he said.


(Reporting by Carey Gillam in Kansas City; Editing by David Gregorio)


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