Sentences with phrase «high elevation sites»

Lamarche was interested in the high elevation sites for historical reasons (he had done erosion work at the Mt Washington site), and because of his interest in «frost rings» that had been linked to post (volcanic) eruption cooling.

This was proposed by Lamarche et al 1984 as an explanation for the growth trend that had been observed at the high elevation sites.

Beniston, M., H.F. Diaz and R.S. Bradley, 1997: Climatic change at high elevation sites: an overview.

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.

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-.

The oldest sites tended to be those at higher elevations, probably because these were the first to become usable as the Pleistocene icecap retreated.

They scouted steep mountainsides where the tree species currently lives and sites at higher elevations where the tree is likely to expand.

Fossils of the new species were found at Quebrada Honda, a high elevation fossil site in southern Bolivia.

The oldest sites tended to be those at higher elevations, probably because these were the first to become usable as the Pleistocene...

High - elevation sites tend to be particularly difficult to study, so more information about them is «always valuable.»

The Columbia Hills site is nearly pure silica and has a close spectral match to siliceous hot spring deposits (sinter) from the high - elevation, Mars - analogue geothermal system at El Tatio in Chile.

When I was there, there was little to no snow in the town site, but higher elevations like Maligne Lake already had some heavy snow.

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

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

This is just a little higher than Thunder Basin despite a similar timing and a higher elevation, again indicating the shaded nature of the Thunder Basin site.

In a 30 - yr historical evaluation period, Climdex indices computed from 800 - m simulated values display reduced error relative to local station observations than those from the 10 - km dataset, with the greatest reduction in error occurring at high - elevation sites for precipitation - based indices.

Tree - ring width (and limited density [Luckman and Wilson, 2005]-RRB- data derived from living and subfossil wood of coniferous tree species were compiled from 66 high - elevation and latitudinal treeline North American and Eurasian sites.

Regarding this last issue the original text says: «we also developed a central European summer temperature proxy based on 1089 stone pine (Pinus cembra) and 457 European larch (Larix decidua) ring width series from high - elevation sites in the Austrian Alps and adjacent areas».

One month later, only some sites — generally those at higher elevations — had any measureable snowpack.

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.

Even if those logistics worked out, he said, better solar cells and batteries would be necessary because the state gets over 180 days of cloudy weather, and unless the site is on a ridge at higher elevation, most sites aren't windy enough to generate electricity with turbines.

While paleoclimatologists are attempting to update many important proxy records to the present, this is a costly, and labor - intensive activity, often requiring expensive field campaigns that involve traveling with heavy equipment to difficult - to - reach locations (such as high - elevation or remote polar sites).

If you think of high elevation western USA sites with lots of snow, maybe so (though these can be quite dry in summer).