Sentences with phrase «saw lake temperatures»

Not exact matches

But even though they'll be trying out what could be a revolutionary new beach water test this year, those braving what are expected to be cool weekend temperatures — and cold lake water — won't see any changes just yet.

«We see this in the Antarctic Dry Valleys, where seasonal temperature variation is sufficient to form and sustain lakes even though mean annual temperature is well below freezing,» Palumbo said.

Temperature increases close to or above the average.61 degrees F rise were seen in some of the world's most popular waters, including Lake Tahoe (+.97 F by hand, +1.28 by satellite), the Dead Sea (+1.13 F), two reservoirs serving New York City, Seattle's Lake Washington (+.49 F), and the Great Lakes Huron (+1.53 F by hand, +.79 by satellite), Michigan (+.76 F by hand, +.36 by satellite), Ontario (+.59 F) and Superior (+2.09 F by hand measurement, +1.44 F by satellite).

Previous work by Hook using satellite data indicated that many lake temperatures were warming faster than air temperature and that the greatest warming was observed at high latitudes, as seen in other climate warming studies.

This is especially true for lakes at high latitudes that are covered in ice each winter but may see less ice as temperatures rise.

Rickards» two - screen film is based on spoken accounts of a displaced image of a city seen over Lake Michigan as the result of rare temperature inversion mirages.

Not surprisingly, we see a long - term increase in lake effect snowfalls as temperatures have warmed during the last century (see figure below).

Snowfall varies across the region, comprising less than 10 % of total precipitation in the south, to more than half in the north, with as much as two inches of water available in the snowpack at the beginning of spring melt in the northern reaches of the river basins.81 When this amount of snowmelt is combined with heavy rainfall, the resulting flooding can be widespread and catastrophic (see «Cedar Rapids: A Tale of Vulnerability and Response»).82 Historical observations indicate declines in the frequency of high magnitude snowfall years over much of the Midwest, 83 but an increase in lake effect snowfall.61 These divergent trends and their inverse relationships with air temperatures make overall projections of regional impacts of the associated snowmelt extremely difficult.

As you can see, on a single day the surface temperature of the lake varies by 4 ° C from coldest to warmest.

With a rise in annual global temperature (e.g. of the order of 1.5 to 2.0 °C) fisheries in North West Africa and the East African lakes are shown to be impacted (see ECF and Potsdam Institute, 2004; Warren et al., 2006).

The Great Lakes, North America's largest freshwater feature, have recently recorded higher water temperatures and less ice cover as a result of changes in regional climate (see also Ch.

You can also see that coming off the last glacial maximum, the lake warmed, as did the rest of the Earth, then when the temperature dropped during the Younger Dryas, so did the temperature of the lake.

While it is true that warmer temperatures can produce heavier snow — as anyone who lives within range of lake - effect snow, which mostly falls before the Great Lakes freeze over or become too cold to generate the condensation responsible for heavy snow, can attest — we have been seeing both heavier snow and colder temperatures, both in the United States and in Europe, and not merely this winter, but for a number of winters running.

Nuclear power plants are always near water and the neighboring river, lake or ocean sees its local temperatures rise because of the warm water returned from the power plant, threatening the local ecosystems.

The models (and there are many) have numerous common behaviours — they all cool following a big volcanic eruption, like that at Mount Pinatubo in 1991; they all warm as levels of greenhouse gases are increased; they show the same relationships connecting water vapour and temperature that we see in observations; and they can quantify how the giant lakes left over from the Ice Age may have caused a rapid cooling across the North Atlantic as they drained and changed ocean circulation patterns.