Zobrazeno 1 - 10
of 7 259
pro vyhledávání: '"late Holocene"'
Autor:
Caitlin E. Tems, Eric Tappa
Publikováno v:
Oceans, Vol 5, Iss 2, Pp 352-367 (2024)
This study presents a high-resolution record of δ15Nsed, which serves as a proxy for water column denitrification and oxygen minimum zone (OMZ) intensity, from the Soledad Basin in the Eastern Tropical North Pacific OMZ. The Soledad Basin δ15Nsed r
Externí odkaz:
https://doaj.org/article/16290cff4c0544248ba18d19ca264267
Autor:
Pooja Chand, Bahadur Singh Kotlia, David F. Porinchu, Anupam Sharma, Pankaj Kumar, Harish Bisht, G.C. Kothyari, Manmohan Kukreti
Publikováno v:
Quaternary Science Advances, Vol 15, Iss , Pp 100226- (2024)
The present study aims to investigate the palaeoenvironmental changes around Sattal Lake, Kumaun Lesser Himalaya spanning the last 1670 years. Based on multi proxy analysis (i.e., grain size, mineral magnetism, clay mineralogy, Total Organic Carbon (
Externí odkaz:
https://doaj.org/article/56f0a9fe4c5143c191764c06d345f3dd
Autor:
Jianghong Wu, Mengxiu Zeng, Yunfeng Liu, Cheng Zhu, Yongqiu Wu, Xinyi Mao, Nengjing Wang, Xiaolu Wang, Jiasheng Wang, Zhangrong Wu
Publikováno v:
Ecological Indicators, Vol 169, Iss , Pp 112833- (2024)
The Chengdu Plain (CDP), located in the upper reaches of the Yangtze River and recognized as one of the cradles of ancient Chinese civilization, is closely associated with the ancient Shu culture. While previous studies have extensively explored the
Externí odkaz:
https://doaj.org/article/90d2e68d688443b1bec3afbac86b323d
Akademický článek
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Autor:
Vincent Montade, Laurent Bremond, Helena Teixeira, Thomas Kasper, Gerhard Daut, Sylvie Rouland, Elysée Rasoamanana, Perle Ramavovolona, Charly Favier, Fabien Arnaud, Ute Radespiel, Hermann Behling
Publikováno v:
Royal Society Open Science, Vol 11, Iss 8 (2024)
Although it is well known that humans substantially altered the Malagasy ecosystems, the timing of the human arrival as well as the extension of their environmental impact is yet not well understood. This research aims to study the influence of early
Externí odkaz:
https://doaj.org/article/e2bdc312328e403c94837d7b101517d9
Publikováno v:
Frontiers in Environmental Archaeology, Vol 3 (2024)
We discuss the process of human re-occupation of the Southern Puna (25°-27°S) during the Late Holocene through a variety of lines of evidence, such as ceramics, faunal bones, lithic technology, sources of raw materials like obsidian, and rock art,
Externí odkaz:
https://doaj.org/article/150a4df2755f43a792a3175ca9044db4
Publikováno v:
Quaternary Science Advances, Vol 14, Iss , Pp 100199- (2024)
A study was conducted to decipher changes in paleoenvironmental conditions of the Kashmir Valley (India) using stable isotopic compositions and elemental concentrations of total organic carbon (TOC) and total nitrogen (TN) in a sediment core from the
Externí odkaz:
https://doaj.org/article/86fc942d5d9242ec8efdec5490ab148e
Publikováno v:
Лëд и снег, Vol 63, Iss 3, Pp 410-425 (2023)
We present 11 10Be ages of the moraines of the Irik and Kashkatash glaciers that allowed identifying and dating several Late Holocene glacier advances for the first time, including a prominent advance exceeding the Little Ice Age (LIA) maximum that o
Externí odkaz:
https://doaj.org/article/32c5ef9d499e473d99e551ea84ce71f5
Publikováno v:
Atmosphere, Vol 15, Iss 8, p 869 (2024)
Advances in reconstructing the East Asian monsoon have provided important insights into the natural climate variability in Asia during the pre-instrumental period. However, there are still unresolved paleoclimate issues that necessitate the use of ge
Externí odkaz:
https://doaj.org/article/b9f2baebb9fc4d15a918a53063c8113d