Sentences with phrase «low elevation sites»

A common problem that some methods endeavour to correct is systematic biases in station locations (e.g., towards low elevation sites).

The mean correlation between low elevation sites and glacier maximum SWE ranges from 0.37 - 0.82 and for Lyman Lake the best Snotel site from 0.72 - 0.95.

The mean correlation of glaciers to low elevation sites range from 0.37 - 0.82 for individual glaciers, and for Lyman Lake the best Snotel site from 0.72 - 0.95.

The drier and lower elevation sites in northwestern Nevada showed losses of pika populations.

At low elevations sites below 3000 feet, the decline is substantial note Diablo and Concrete in figure 8.

Most often, this also will cause considerable decay in the sample, but this oak had several well preserved fire scars, suggesting fire was common in these drier, lower elevation sites.

Not exact matches

Because many of the images overlapped and contained readily identifiable landmarks (such as footprints, labeled in leftmost image), the team could use sophisticated software to stitch 12 of the digital files together to create a single 45 - meter - long 3D model of the site (left and center; colors in center panel represent elevations from low [blue] to high [red]-RRB-.

Primarily supported by a $ 5.6 million grant from the The Michael J. Fox Foundation for Parkinson's Research and conducted at 17 sites across the U.S., SURE - PD (Safety of URate Elevation in Parkinson's Disease) enrolled 75 recently diagnosed Parkinson disease patients with relatively low blood levels of urate (less than 6 mg / dL).

The American pika, a small animal with a big personality that has long delighted hikers and backpackers, is disappearing from low - elevation sites in California mountains, and the cause appears to be climate change, according to a new study.

«Pikas are a model organism for studying climate change, and their decline at low - elevation sites suggests that the future for other species is not great either,» Stewart said.

«Climate change threatens forest survival on drier, low - elevation sites.»

Mountains are useful for exploring the effects of climate change because they show predictable changes in temperature and humidity with elevation: In general, sites at low elevations are warmer and drier than higher elevation sites.

In the Rocky Mountains, spring (February - March) warming since the 1980s has been largely responsible for recent snowpack declines at mid - and low - elevation sites (Pederson et al. 2013b).

Study documents disappearance of pikas from low - elevation sites and shows how ongoing global warming will further restrict their range in the future

A hallway connects two wings at the top level of the gently sloping site with the third wing at a slightly lower elevation.

Unlike other species of Batrachoseps occurring at low elevations on the mainland in which surface activity declines following the rainy season, Channel Islands slender salamanders remain surface active at some sites throughout the year.

Maximum SWE at the glacier locations is 299 % and 212 % of that at the low elevation and high elevation Snotel sites.

USDA's Snotel sites provide a good measure of low elevation snowfall and consequent snowmelt in May and June, but they have no sites in the area that retain snow into July.

Ablation peaks in May at low elevation Snotel sites, in June at high elevation Snotel sites, and in August on glaciers.

The early ablation season, is marked by freezing levels that frequently result in snowfall at Lyman Lake and rainfall at the lower elevation Snotel sites.

The question is not merely how Eemian moss might have survived to its present exposure, but how one could have a climate at which moss can grow during the Holocene at site B226v at an elevation of 1438 m, while permitting the continuation of an «ice cap» as tiny as that hosting sample B231v (43 m lower)?

To understand the population declines in high - elevation meadows on the Tahoe National Forest, I surveyed birds at several low - elevation breeding sites and examined the climate data from foothill weather stations.

I have seen very slow growth rates in larch from northern Siberia, but as you can see in the Salzer et al figure 4a the growth rates of the high elevation trees are ~ 0.4 mm on average compared to ~ 0.2 mm for the lower, precip limited site.