Bradley D. Cramer - Publications, H-index & Citations

Bradley D. Cramer

university of iowa

29H指数

171论文数

2.5K被引数

收录论文 18

发表时间

Quantifying uncertainty in the structure and duration of silurian biogeochemical events 量化志留纪生物地球化学事件的结构和持续时间的不确定性

Scientific Reports

IF3.9

2026-08-10

OAAI

Bradley D. Cramer; Mark D. Schmitz; Robin B. Trayler; Brittany M. Stolfus; David W. Peate; Neo E. B. McAdams; Michiel Arts; Anne-Christine Da Silva

Teaching Aquitard Concepts With Field-Based High-Resolution Head Profile Learning Activities 基于现场实测高分辨率水头剖面学习活动进行隔水层概念教学

GROUNDWATER

IF2.2

2025-12-01

OAAI

Meyer, Jessica R.; Tassier-Surine, Stephanie; Cramer, Bradley

Enhanced primary productivity and perturbation of marine nitrogen cycling during the onset of the Cambrian SPICE event 寒武纪香料事件开始期间增强的初级生产力和海洋氮循环的扰动

GLOBAL AND PLANETARY CHANGE

IF4

2024-02-01

OAAI

Barnes, Gwen L.; Cramer, Bradley D.

Resolving complex stratigraphic architecture across the Burlington shelf and identifying the Devonian-Carboniferous (Hangenberg) and Kinderhookian-Osagean (Tournaisian) boundary biogeochemical events in the type area of the Mississippian subsystem

GEOLOGICAL SOCIETY OF AMERICA BULLETIN

IF3.7

2023-09-20

OAAI

Braun, Matthew G.; Bancroft, Alyssa M.; Hogancamp, Nicholas J.; Stolfus, Brittany M.; Heath, Megan N.; Clark, Ryan J.; Tassier-Surine, Stephanie; Day, James E.; Cramer, Bradley D.

Evolution of Atmospheric O2 Through the Phanerozoic, Revisited 大气O2在古生代的演化，重新审视

ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES

IF13

2023-05-31

OAAI

Mills, Benjamin J. W.; Krause, Alexander J.; Jarvis, Ian; Cramer, Bradley D.

Expansion of Reducing Marine Environments During the Ireviken Biogeochemical Event: Evidence From the Altajme Core, Gotland, Sweden

PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY

IF3.2

2023-02-21

OAAI

Stolfus, Brittany M.; Allman, Lindsi J.; Young, Seth A.; Calner, Mikael; Hartke, Emma R.; Oborny, Stephan C.; Bancroft, Alyssa M.; Cramer, Bradley D.

Nanomechanical variability in the early evolution of vertebrate dentition 脊椎动物牙列早期进化中的纳米力学变异性

SCIENTIFIC REPORTS

IF3.9

2022-06-17

OAAI

Shohel, Mohammad; Ray, Kamal K.; Tivanski, Alexei V.; McAdams, Neo E. B.; Bancroft, Alyssa M.; Cramer, Bradley D.; Forbes, Tori Z.

Asynchronous δ13Ccarb and δ13Corg records during the onset of the Mulde (Silurian) positive carbon isotope excursion from the Altajme core, Gotland, Sweden

CHEMICAL GEOLOGY

IF3.6

2021-08-01

PREAI

Biebesheimer, Ellie J.; Cramer, Bradley D.; Calner, Mikael; Barnett, Bruce A.; Oborny, Stephan C.; Bancroft, Alyssa M.

Timing, provenance, and implications of two MIS 3 advances of the Laurentide Ice Sheet into the Upper Mississippi River Basin, USA

QUATERNARY SCIENCE REVIEWS

IF3.3

2021-06-01

OAAI

Kerr, Phillip J.; Tassier-Surine, Stephanie A.; Kilgore, Susan M.; Bettis, E. Arthur; Dorale, Jeffrey A.; Cramer, Bradley D.

Decoupling δ13Ccarb and δ13Corg at the onset of the Ireviken Carbon Isotope Excursion: Δ13C and organic carbon burial (forg) during a Silurian oceanic anoxic event

GLOBAL AND PLANETARY CHANGE

IF4

2021-01-01

OAAI

Hartke, Emma R.; Cramer, Bradley D.; Calner, Mikael; Melchin, Michael J.; Barnett, Bruce A.; Oborny, Stephan C.; Bancroft, Alyssa M.

Integrated δ13Ccarb, conodont, and graptolite biochemostratigraphy of the Silurian from the Illinois Basin and stratigraphic revision of the Bainbridge Group

GEOLOGICAL SOCIETY OF AMERICA BULLETIN

IF3.7

2018-08-15

PREAI

McAdams, Neo E. B.; Cramer, Bradley D.; Bancroft, Alyssa M.; Melchin, Michael J.; Devera, Joseph A.; Day, James E.

Phanerozoic pO2 and the early evolution of terrestrial animals

PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

IF3.5

2018-01-24

OAAI

Schachat, Sandra R.; Labandeira, Conrad C.; Saltzman, Matthew R.; Cramer, Bradley D.; Payne, Jonathan L.; Boyce, C. Kevin

High-Resolution Event Stratigraphy (HiRES) and the quantification of stratigraphic uncertainty: Silurian examples of the quest for precision in stratigraphy

Earth-Science Reviews

IF10

2015-02-01

PREAI

Cramer, Bradley D.; Vandenbroucke, Thijs R. A.; Ludvigson, Gregory A.

U-Pb (zircon) age constraints on the timing and duration of Wenlock (Silurian) paleocommunity collapse and recovery during the Big Crisis

GEOLOGICAL SOCIETY OF AMERICA BULLETIN

IF3.7

2012-10-02

PREAI

Cramer, Bradley D.; Condon, Daniel J.; Soderlund, Ulf; Marshall, Carly; Worton, Graham J.; Thomas, Alan T.; Calner, Mikael; Ray, David C.; Perrier, Vincent; Boomer, Ian; Patchett, P. Jonathan; Jeppsson, Lennart

Testing the limits of Paleozoic chronostratigraphic correlation via high-resolution (<500 k.y.) integrated conodont, graptolite, and carbon isotope (δ13Ccarb) biochemostratigraphy across the Llandovery-Wenlock (Silurian) boundary: Is a unified Phanerozoic time scale achievable?

GEOLOGICAL SOCIETY OF AMERICA BULLETIN

IF3.7

2010-05-20

PREAI

Cramer, Bradley D.; Loydell, David K.; Samtleben, Christian; Munnecke, Axel; Kaljo, Dimitri; Maennik, Peep; Martma, Tonu; Jeppsson, Lennart; Kleffner, Mark A.; Barrick, James E.; Johnson, Craig A.; Emsbo, Poul; Joachimski, Michael M.; Bickert, Torsten; Saltzman, Matthew R.

pT-effects of Pleistocene glacial periods on permafrost, gas hydrate stability zones and reservoir of the Mittelplate oil field, northern Germany

MARINE AND PETROLEUM GEOLOGY

IF3.6

2010-01-01

PREAI

Grassmann, S.; Cramer, B.; Delisle, G.; Hantschel, T.; Messner, J.; Winsemann, J.

Monolithic electrochemically promoted reactors:: A step for the practical utilization of electrochemical promotion

SOLID STATE IONICS

IF3.3

2006-10-31

PREAI

Balomenou, S. P.; Tsiplakides, D.; Katsaounis, A.; Brosda, S.; Hammad, A.; Foti, G.; Comninellis, Ch.; Thiemann-Handler, S.; Cramer, B.; Vayenas, C. G.

Methane released from groundwater: the source of natural gas accumulations in northern West Siberia 地下水释放的甲烷: 西西伯利亚北部天然气积聚的来源

MARINE AND PETROLEUM GEOLOGY

IF3.6

1999-05-01

PREAI

Cramer, B; Poelchau, HS; Gerling, P; Lopatin, NV; Littke, R

研究方向