Results 161 to 170 of about 3,413,444 (233)

Biomarker <i>δ</i>¹³C values record consistent savanna vegetation and variable alkalinity of Lake Olduvai during Pleistocene wet/dry cycles. [PDF]

Proc Natl Acad Sci U S A
Doiron KE, Colcord DE, Shilling AM, Njau JK, Stanistreet IG, Stollhofen H, Schick KD, Toth NP, Brassell SC.   +8 more
europepmc   +1 more source

Astronomical calibration of the middle Cambrian in Baltica: Global carbon cycle synchronization and climate dynamics

Jamart V, Pas D, Hinnov L, Spangenberg J, Adatte T, Nielsen A, Schovsbo N, Thibault N, Arts M, Daley A.   +9 more
europepmc   +1 more source

Engineer the ocean to absorb more carbon: the ocean negative carbon emissions (ONCE) program. [PDF]

Natl Sci Rev
Zhao W, Yu X.
europepmc   +1 more source

Jurassic constraints on the chaotic Mars-Earth eccentricity cycle linked to the volcanically induced Jenkyns event. [PDF]

Proc Natl Acad Sci U S A
Fang Y, Olsen PE, Sha J, Whiteside JH, Guan C, Ikeda M, Li S, Zheng D, Zhang H, Wang B.   +9 more
europepmc   +1 more source

Coal-Free Zone Genesis and Logging Response Characterization Using a Multi-Curve Signal Analysis Framework. [PDF]

Entropy (Basel)
Yang X, Chen Y, Shi L, Qu X, Fu S.
europepmc   +1 more source

Volcanic forcing of the Lomagundi-Jatuli carbon isotope excursion. [PDF]

Proc Natl Acad Sci U S A
Blichert-Toft J, Konhauser K, Coutret B, Pinto M, Agranier A, El Albani A, Albarède F.   +6 more
europepmc   +1 more source

Extremely cold ocean temperatures in iron formation brine pools of snowball Earth. [PDF]

Nat Commun
Lu K, Feng L, Mitchell RN, Lechte MA, Hoffman PF.   +4 more
europepmc   +1 more source

Sequence division and coal facies research methods of the deep No. 8 coal seam in the Daning-Jixian Block, eastern margin of Ordos basin. [PDF]

Sci Rep
Kong J, Xiong X, Ding R.
europepmc   +1 more source

Evolution of groundwater system in the Pearl River Delta and its adjacent shelf since the late Pleistocene. [PDF]

Sci Adv
Sheng C, Jiao JJ, Zhang J, Yao Y, Luo X, Yu S, Ni Y, Wang S, Mao R, Yang T, Zhan L.   +10 more
europepmc   +1 more source

Mid Pleistocene Transition caused by decline in atmospheric CO2

Nuber S, Chalk T, Ji X, Scherrenberg M, Heaton T, Zhang X, Stap L, Trudgill M, Block H, Jian Z, Xu C, Kubota K, Andersen M, Barker S, Yu J, Foster G, Rae J.   +16 more
europepmc   +1 more source