Quantification of a greenhouse hydrologic cycle from equatorial to polar latitudes: The mid-Cretaceous water bearer revisited

Suarez, Marina B.; González, Luis A.; Ludvigson, Greg A.

doi:10.1016/j.palaeo.2011.05.027

Cited by 49 publications

(44 citation statements)

References 37 publications

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“…These data suggest that semi-aquatic taxa record local meteoric water. All these data compare well with the pedogenic calcite-based zonal average for 34u N paleolatitude (26.6 to 24.8%; Suarez et al 2011). …”

Section: Resultssupporting

confidence: 77%

“…Pedogenic carbonate isotopes during the Aptian-Albian thermal maximum (White et al 2001;Ufnar et al 2002Ufnar et al , 2004Suarez et al 2009) suggest that increased temperature led to an intensification of the global hydrologic cycle. Increased rainout intensity explains increased isotopic depletion of meteoric groundwaters seen along the eastern margin of the WIS (White et al 2001), in the British Wealden (Robinson et al 2010), and at high latitudes (Suarez et al 2011). Alternatively, extreme depletion of pedogenic carbonates at high latitudes may have resulted from local orogenic effects (Poulsen et al 2007).…”

Section: Tectonic and Climatic Settingmentioning

confidence: 99%

“…Relative humidity for the upper Yellow Cat Member and the Ruby Ranch Member was estimated at 47% based on modeling using empirically derived meteoric-water values from pedogenic carbonates sampled at a range of latitudes (Suarez et al 2011 Pedogenic calcite data were mostly compiled from previous studies of the Ruby Ranch Member (Al-Suwaidi 2007; Suarez et al 2011). We also analyzed pedogenic calcite from the upper Yellow Cat and Ruby Ranch members.…”

Section: Samples (mentioning

confidence: 99%

“…From the Ruby Ranch to Mussentuchit members, inconsistent shifts to meteoric-water proxy and dinosaur isotopes suggest static elevations. However, decreased elevations or a seasonal shift to an alternate water source would explain an increase in relative humidity (Suarez et al 2011(Suarez et al , 2012, a decrease in abundance of pedogenic carbonate, and presence of water-dependent taxa such as frogs and salamanders (Cifelli et al 1999). General-circulation models suggest a shift in prevailing summer wind directions from westerlies during the Albian (c. 105 Ma) to easterlies during the Turonian (c. 90 Ma; Poulsen et al 1999) due to the presence of the Western Interior Seaway (Fig.…”

Section: Implications For the Rise Of The Nevadaplano And Regional CLmentioning

confidence: 99%

“…O w values calculated using the same fractionation factor by Ludvigson et al (2010) and Suarez et al (2011).…”

mentioning

confidence: 99%

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Multi-Taxa Isotopic Investigation of Paleohydrology In the Lower Cretaceous Cedar Mountain Formation, Eastern Utah, U.S.A.: Deciphering Effects Of the Nevadaplano Plateau On Regional Climate

Suarez¹,

González²,

Ludvigson³

et al. 2014

Journal of Sedimentary Research

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We investigate the regional climatic effects of the formation of the ''Nevadaplano'' plateau during the Sevier Orogeny in an overall warming world. Paleohydrology was reconstructed from 590 individual measurements of phosphate O isotopes in continental faunas of the Lower Cretaceous Cedar Mountain Formation, Utah, U.S.A. Semi-aquatic (turtles, crocodiles) and terrestrial (dinosaurs) taxa are compared to coeval pedogenic carbonates to interpret changing water sources over time. Samples were grouped into four stratigraphic faunas (lower Yellow Cat, upper 19.1 to 20.3%) values generally exceed those of semi-aquatic taxa. Using mass-balance equations for modern terrestrial animals adjusted for size and inferred dinosaur physiology, ingested water is calculated for the above dinosaur groups. On a member scale, when meteoric-water values are compared with calculated dinosaur drinking water, values are equal to or lighter than meteoric water for most herbivorous groups (as low as 215.5% for ornithischians) and equal to or heavier than meteoric water for most carnivorous groups (as high as 22.0% for allosauroids). Changes in d O-enriched water (e.g., up to an average of 22.0% from an allosauroid tooth) and extremely 18 O-depleted water (e.g., 215.5% for ornithischians) in the Ruby Ranch Member. By Mussentuchit-time, delivery of the Western Interior Seaway-dominated moisture to the region, despite continued rise of the Sevier Mountains.

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Section: Resultssupporting

confidence: 77%