Sentences with phrase «at high elevation sites»

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.

Not exact matches

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...

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.

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.

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.

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.

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.

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.

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.