Sentences with phrase «first decade of observations»

Third, climate change and its variation, as represented by global temperatures in Chart # 4, is evident since the first decade of observations.

Not exact matches

Previous research has suggested a connection between coal - burning and the Sahel drought, but this was the first study that used decades of historical observations to find that this drought was part of a global shift in tropical rainfall, and then used multiple climate models to determine why.

Construction is expected to begin as soon as 2016 and first observations could be made by the end of the decade.

«Direct and regular observation of plasma by satellites started after the late 1960s — almost a decade after the first human - made satellite, Sputnik 1, was launched in 1957,» explains Masahito Nosé, an author of the study.

Dr. Arcadio Rodaniche, one of the paper's co-authors, was the first to record the species» striking appearance and describe its uncharacteristic behaviors both in the field and in captivity during the 1970s, but his unprecedented observations were so unique that they were largely ignored at the time, leaving the octopus's fascinating behavior unstudied for decades.

«Our primary question is how the Amundsen Sea sector of West Antarctica will contribute to sea level rise in the future, particularly following our observations of massive changes in the area over the last two decades,» said UCI's Bernd Scheuchl, lead author on the first of the two studies, published in the journal Geophysical Research Letters in August.

Data from patients with familial AD with autosomal dominant mutations4 and longitudinal observation of individuals with positive Aβ PET scans and normal cognition led to the observations that amyloid plaque pathology could be present as long as 2 decades prior to the emergence of the first clinical symptoms of AD.

The first decades of these data are known as «The Helsinki extension», as they provide some of the earliest systematic observations of geomagnetic activity.

My first book Due North is self - published through my own company and is a collection of travel observations, reflections, and snapshots spanning two decades across colors, cultures, and continents.

The complete absence of multiyear sea ice in the region, confirmed by thickness surveys and local observations, is a first for the region in the past several decades.

The First Assessment Report, which would have been the basis for the 1992 UNFCCC had concluded that «The unequivocal detection of the enhanced greenhouse effect from observations is not likely for a decade or more», making it clear that in the early 1990s, there could have been no consensus as Stewart describes it.

In 1992, we had just completed the first IPCC assessment report, here was their conclusion: «The size of this warming is broadly consistent with predictions of climate models, but it is also of the same magnitude as natural climate variability... The unequivocal detection of the enhanced greenhouse effect from observations is not likely for a decade or more.

For the first six decades to 1720 the figures are printed in italics as an indication that they must be considered less reliable, based as they are on extrapolation from the results of readings of highly imperfect instruments in uncertain exposures at a considerable distance, generally in south - east England; or on estimates based on interpretations of daily observations of wind and weather.

As a native Californian who has spent a considerable amount of time in the Sierra over many decades, I can tell you from first hand observation that lightning strikes are a very common occurrence and can pose a real hazard to backpackers No doubt there were fires started accidentally by ancient hunters from time to time.

That panel's first assessment report in 1990 concluded that «the size of the warming over the last century is... of the same magnitude as natural climate variability» and that «the unequivocal detection of the enhanced greenhouse effect from observations is not likely for a decade or more.»