References Flashcards
(51 cards)
Who initially suggested that variation in Earth’s long-term climate was caused by changes in the position of the Earth in comparison to the Sun?
Milankovitch (1938)
What does Berger (2012) state about the 100kyr Problem?
“it remains puzzling and unsolved”
Who states that Oxygen Isotope records reflect existence and presence of Milankovitch cycles in the marine record?
Hays et al. (1976a)
What did Paillard (2001) find?
Pacing and amplitude modulation of ice volume matches those of obliquity and precession.
Who found evidence for Milankovitch theory (precession) in the Tropics through analysis of monsoon intensity through Speleotherm d18O records?
Cruz et al. (2004, 2006)
Who states that the apparent domination of the 100kyr glaciation cycle doesn’t match patterns of solar insolation - thus suggesting glaciations are not caused by Milankovitch Cycles?
Paillard (2006)
What does Puetz et al. (2016) believe?
Most data regarding MC’s are ‘tuned’ - reducing reliability and highlighting researcher bias and reliance on age-models used.
What does Ruddiman (2001) believe is the cause for the transition from 41kyr to 100kyr glaciation cycles ~900kyr ago?
Change in ice sheet boundary conditions, so only very favorable combinations or orbital parameters resulted in ice sheet growth.
Who believes that models of obliquity controlled cycles accurately predict interglacials?
Tzedakis et al. (2017)
What does Henderson & Slowey (2000)’s research from 18O records from Nevada suggest?
That the timing of the penultimate glaciation is incompatible with Milankovitch’s theory.
Who suggests the ‘Faint Young Sun’ paradox lacks evidence, and young Earth’s CO2 levels were too low to significantly affect EST?
Goldblatt & Zahnle (2010)
Who developed the BLAG model?
Berner, Lasaga & Garells (1983)
What did Parsons (1982) find in regard to seafloor spreading.
Recent evidence for the past 100kyr suggests there was only a 10-20% increase in SF spreading rate compared to now.
Who states that more research is needed to solve the SF spreading rate problem and increase confidence in the BLAG model?
Berner & Barron (1984)
What model did Raymo & Ruddiman (1992) develop?
The Uplift-Weathering Model
Who proposed that the Northward movement of India, and consequent collision between the Eurasian and Indian continents was the cause of CO2 reductions and temperature decrease of the Cenozoic?
Kent & Muttoni (2008)
What did Alley et al. (1997) find?
The 8.2kyr Event correlates with dry conditions in many NH locations.
Who suggests that the period of drought caused by the Holocene Climatic Optimum was coincident with the collapse of the Ubaid culture?
Parker et al. (2006)
Who believes the beginning of the Anthropocene coincides with the Industrial Revolution of the 1700-1800’s?
Crutzen (2002) and Steffen et al. (2007)
When does Zalasiewiscz et al (2015) suggest the Anthropocene begun?
July 1945 - the date of the first nuclear bomb explosion
Who believes the beginning of the Anthropocene coincides with a peak in global 14C (thus a change in stratigraphic deposits)?
Lewis & Maslin (2015)
When does Stuart et al. (2014) suggest the Anthropocene begun?
1610: The Orbis Spike - the first ‘meeting’ of Old and New worlds, which catalyzed CO2 reductions due to population shrinkage (due to disease, conflict) and reductions in farming and regrowth of trees.
Who developed the Early Anthropocene Hypothesis?
Ruddiman et al. (2005)
What did Tzedakis et al. (2012) find?
No glacial phase is expected in the next 1500 years due to current high levels of CO2
