搜索结果: 1-15 共查到“2,000 years”相关记录26条 . 查询时间(0.093 秒)
U.S. East Coast sea level rise in 20th century fastest in 2,000 years（图）
U.S. East Coast sea level rise 20th century 2,000 years
2021/4/9
The rate of sea level rise in the 20th century along much of the U.S. Atlantic coast was the fastest in 2,000 years, and southern New Jersey had the fastest rates, according to a Rutgers Universi...
Greenland is on track to lose ice faster this century than in any other over the past 12,000 years（图）
Greenland lose ice faster century past 12,000 years
2020/10/10
Greenland's rate of ice loss this century is likely to greatly outpace that of any century over the past 12,000 years, a new study concludes.The U.S. National Science Foundation-supported researc...
Modern humans reached westernmost Europe 5,000 years earlier than previously known（图）
Modern humans reached westernmost Europe 5,000 years earlier previously known
2020/10/10
Modern humans arrived in westernmost Europe 38,000 - 41,000 years ago, about 5,000 years earlier than previously known, according to Jonathan Haws of the University of Louisville and an inte...
Texas will soon face driest conditions of last 1,000 years（图）
Texas driest conditions last 1,000 years
2020/7/17
Texas' future climate will have drier summers and decreasing water supplies for much of the remainder of the 21st century -- likely resulting in the driest conditions in the last 1,000 years, accordin...
Historic 2013 Colorado Front Range storm accomplished up to 1,000 years of erosion,CU-Boulder study finds
2013 Colorado storm accomplished 1,000 years of erosion CU-Boulder
2015/9/8
The historic September 2013 storm that triggered widespread flooding across Colorado’s Front Range eroded the equivalent of hundreds, or even as much as 1,000 years worth of accumulated sediment from ...
Global Climate and Sea Level:Enduring Variability and Rapid Fluctuations Over the Past 150,000 Years
Global Climate Sea Level Enduring Variability Rapid Fluctuations Past 150,000 Years
2015/7/9
Although climate variations and sea level changes are often discussed interchangeably, climate change need not always result in sea level change. Perturbations in Earth's orbit cause major climate cha...
Warming Pushes Western U.S. Toward Driest Period in 1,000 Years（图）
Warming Western U.S. Driest Period 1,000 Years
2015/3/4
During the second half of the 21st century, the U.S. Southwest and Great Plains will face persistent drought worse than anything seen in times ancient or modern, with the drying conditions “driven pri...
Exploring Isotopic Signatures of Lake El'gygytgyn Sediments for Evidence of Anoxia and Methane Cycling over the Past 50,000 Years
Exploring Isotopic Signatures Lake El'gygytgyn Sediments Evidence of Anoxia and Methane Cycling over the Past 50,000 Years
2014/10/21
Compound specific isotope analysis of lake sediments is a powerful tool in deciphering evidence of changing climatic and paleoenvironmental conditions through time. Isotopic analysis of Lake El’gygytg...
Sleeping sands of the Kalahari awaken after more than 10,000 years（图）
Kalahari awaken Sleeping
2014/12/1
The name conjures an arid, almost lifeless expanse, its red, iron oxide sands stretching to the horizon and beyond.
Kgala, Tswana natives called it, the great thirst. Kgalagadi, it's also named: the...
Sleeping sands of the Kalahari awaken after more than 10,000 years
Sleeping sands of the Kalahari awaken desert
2014/10/16
The name conjures an arid, almost lifeless expanse, its red, iron oxide sands stretching to the horizon and beyond.
Kgala, Tswana natives called it, the great thirst. Kgalagadi, it's also named: the...
Th-normalized fluxes of biogenic components from the central and southernmost Chilean margin over the past 22,000 years
biological pump paleoproductivity thorium 230 (230Th) southern westerlies Chile
2017/4/11
We report on 230Th-normalized fluxes of biogenic components—total organic carbon (TOC), total nitrogen (TN),
calcium carbonate (CaCO3), and biogenic opal (SiOPAL)—from two sediment cores collected at...
Haplogroup R1a, Its Subclades and Branches in Europe During the Last 9,000 Years
Y Chromosome Mutations Haplotypes Haplogroups TMRCA STR SNP R1a1
2013/1/31
This study identifies and describes 38 branches of the haplogroup R1a STR haplotypes which currently exist in Europe or which migrated from Europe to areas in the east, south, and southeast between 60...
Time-variability in the Interstellar Boundary Conditions of the Heliosphere over the past 60,000 years: Impact of the Solar Journey on the Galactic Cosmic Ray Flux at Earth
Time-variability the Interstellar Boundary Conditions
2011/1/10
During the solar journey through galactic space, variations in the physical properties of the surrounding interstellar material (ISM) modify the heliosphere and modulate the flux of galactic cosmic ra...
Stable isotope records for the last 10 000 years from Okshola cave (Fauske, northern Norway) and regional comparisons
Stable isotope last 10 000 years Okshola cave
2009/12/3
The sensitivity of terrestrial environments to past changes in heat transport is expected to be manifested in Holocene climate proxy records on millennial to seasonal timescales. Stalagmite formation...
Rapid climatic variability in the west Mediterranean during the last 25 000 years from high resolution pollen data
climatic variability High-temporal resolution pollen west Mediterranean
2009/12/3
High-temporal resolution pollen record from the Alboran Sea ODP Site 976, pollen-based quantitative climate reconstruction and biomisation show that changes of Mediterranean vegetation have been clear...