| Year |
Citation |
Score |
| 2020 |
Vonhof HB, de Graaf S, Spero HJ, Schiebel R, Verdegaal SJA, Metcalfe B, Haug GH. High-precision stable isotope analysis of <5 μg CaCO samples by continuous-flow mass spectrometry. Rapid Communications in Mass Spectrometry : Rcm. e8878. PMID 32632996 DOI: 10.1002/Rcm.8878 |
0.351 |
|
| 2020 |
LeKieffre C, Spero HJ, Fehrenbacher JS, Russell AD, Ren H, Geslin E, Meibom A. Ammonium is the preferred source of nitrogen for planktonic foraminifer and their dinoflagellate symbionts. Proceedings. Biological Sciences. 287: 20200620. PMID 32546098 DOI: 10.1098/Rspb.2020.0620 |
0.72 |
|
| 2020 |
Menicucci AJ, Thunell RC, Spero HJ. 220 Year Diatom δ
18
O Reconstruction of the Guaymas Basin Thermocline Using Microfluorination Paleoceanography and Paleoclimatology. 35. DOI: 10.1029/2019pa003749 |
0.723 |
|
| 2020 |
Holland K, Branson O, Haynes LL, Hönisch B, Allen KA, Russell AD, Fehrenbacher JS, Spero HJ, Eggins SM. Constraining multiple controls on planktic foraminifera Mg/Ca Geochimica Et Cosmochimica Acta. 273: 116-136. DOI: 10.1016/J.Gca.2020.01.015 |
0.773 |
|
| 2019 |
Bonnin EA, Zhu Z, Fehrenbacher JS, Russell AD, Hönisch B, Spero HJ, Gagnon AC. Submicron sodium banding in cultured planktic foraminifera shells Geochimica Et Cosmochimica Acta. 253: 127-141. DOI: 10.1016/J.Gca.2019.03.024 |
0.744 |
|
| 2019 |
Branson O, Fehrenbacher JS, Vetter L, Sadekov AY, Eggins SM, Spero HJ. LAtools: A data analysis package for the reproducible reduction of LA-ICPMS data Chemical Geology. 504: 83-95. DOI: 10.1016/J.Chemgeo.2018.10.029 |
0.756 |
|
| 2018 |
Schiebel R, Smart SM, Jentzen A, Jonkers L, Morard R, Meilland J, Michel E, Coxall HK, Hull PM, de Garidel-Thoron T, Aze T, Quillévéré F, Ren H, Sigman DM, Vonhof HB, ... ... Spero HJ, et al. Advances in planktonic foraminifer research: New perspectives for paleoceanography Revue De MicropaléOntologie. 61: 113-138. DOI: 10.1016/J.Revmic.2018.10.001 |
0.339 |
|
| 2018 |
Reynolds CE, Richey JN, Fehrenbacher JS, Rosenheim BE, Spero HJ. Environmental controls on the geochemistry of Globorotalia truncatulinoides in the Gulf of Mexico: Implications for paleoceanographic reconstructions Marine Micropaleontology. 142: 92-104. DOI: 10.1016/J.Marmicro.2018.05.006 |
0.77 |
|
| 2018 |
Fehrenbacher JS, Russell AD, Davis CV, Spero HJ, Chu E, Hönisch B. Ba/Ca ratios in the non-spinose planktic foraminifer Neogloboquadrina dutertrei: Evidence for an organic aggregate microhabitat Geochimica Et Cosmochimica Acta. 236: 361-372. DOI: 10.1016/J.Gca.2018.03.008 |
0.799 |
|
| 2018 |
Wycech JB, Kelly DC, Kozdon R, Orland IJ, Spero HJ, Valley JW. Comparison of δ18O analyses on individual planktic foraminifer (Orbulina universa) shells by SIMS and gas-source mass spectrometry Chemical Geology. 483: 119-130. DOI: 10.1016/J.Chemgeo.2018.02.028 |
0.384 |
|
| 2018 |
LeKieffre C, Spero HJ, Russell AD, Fehrenbacher JS, Geslin E, Meibom A. Assimilation, translocation, and utilization of carbon between photosynthetic symbiotic dinoflagellates and their planktic foraminifera host Marine Biology. 165. DOI: 10.1007/S00227-018-3362-7 |
0.738 |
|
| 2017 |
Fehrenbacher JS, Russell AD, Davis CV, Gagnon AC, Spero HJ, Cliff JB, Zhu Z, Martin P. Link between light-triggered Mg-banding and chamber formation in the planktic foraminifera Neogloboquadrina dutertrei. Nature Communications. 8: 15441. PMID 28504274 DOI: 10.1038/Ncomms15441 |
0.786 |
|
| 2017 |
Vetter L, Spero HJ, Eggins SM, Williams C, Flower BP. Oxygen isotope geochemistry of Laurentide ice-sheet meltwater across Termination I Quaternary Science Reviews. 178: 102-117. DOI: 10.1016/J.Quascirev.2017.10.007 |
0.779 |
|
| 2017 |
Grimm BL, Spero HJ, Harding JM, Guilderson TP. Seasonal radiocarbon reservoir ages for the 17th century James River, Virginia estuary Quaternary Geochronology. 41: 119-133. DOI: 10.1016/J.Quageo.2017.03.002 |
0.387 |
|
| 2017 |
Menicucci AJ, Spero HJ, Matthews J, Parikh SJ. Influence of exchangeable oxygen on biogenic silica oxygen isotope data Chemical Geology. 466: 710-721. DOI: 10.1016/J.Chemgeo.2017.07.020 |
0.76 |
|
| 2017 |
Davis CV, Fehrenbacher JS, Hill TM, Russell AD, Spero HJ. Relationships Between Temperature, pH, and Crusting on Mg/Ca Ratios in Laboratory-GrownNeogloboquadrinaForaminifera Paleoceanography. 32: 1137-1152. DOI: 10.1002/2017Pa003111 |
0.806 |
|
| 2017 |
Schmittner A, Bostock HC, Cartapanis O, Curry WB, Filipsson HL, Galbraith ED, Gottschalk J, Herguera JC, Hoogakker B, Jaccard SL, Lisiecki LE, Lund DC, Martínez-Méndez G, Lynch-Stieglitz J, Mackensen A, ... ... Spero HJ, et al. Calibration of the carbon isotope composition (δ13C) of benthic foraminifera Paleoceanography. 32: 512-530. DOI: 10.1002/2016Pa003072 |
0.398 |
|
| 2016 |
Branson O, Bonnin EA, Perea DE, Spero HJ, Zhu Z, Winters M, Hönisch B, Russell AD, Fehrenbacher JS, Gagnon AC. Nanometer-Scale Chemistry of a Calcite Biomineralization Template: Implications for Skeletal Composition and Nucleation. Proceedings of the National Academy of Sciences of the United States of America. PMID 27794119 DOI: 10.1073/Pnas.1522864113 |
0.747 |
|
| 2016 |
Eerkens JW, Schwitalla AW, Spero HJ, Nesbit R. Staple, Feasting, or Fallback Food? Mussel Harvesting Among Hunter-Gatherers in Interior Central California Journal of Ethnobiology. 36: 476-492. DOI: 10.2993/0278-0771-36.3.476 |
0.352 |
|
| 2016 |
Gibson KA, Thunell RC, Machain-Castillo ML, Fehrenbacher J, Spero HJ, Wejnert K, Nava-Fernández X, Tappa EJ. Evaluating controls on planktonic foraminiferal geochemistry in the Eastern Tropical North Pacific Earth and Planetary Science Letters. 452: 90-103. DOI: 10.1016/J.Epsl.2016.07.039 |
0.789 |
|
| 2016 |
Gebbie G, Streletz GJ, Spero HJ. How well would modern-day oceanic property distributions be known with paleoceanographic-like observations? Paleoceanography. 31: 472-490. DOI: 10.1002/2015Pa002917 |
0.377 |
|
| 2015 |
Gebbie G, Peterson CD, Lisiecki LE, Spero HJ. Global-mean marine δ13C and its uncertainty in a glacial state estimate Quaternary Science Reviews. 125: 144-159. DOI: 10.1016/J.Quascirev.2015.08.010 |
0.321 |
|
| 2015 |
Marshall BJ, Thunell RC, Spero HJ, Henehan MJ, Lorenzoni L, Astor Y. Morphometric and stable isotopic differentiation of Orbulina universa morphotypes from the Cariaco Basin, Venezuela Marine Micropaleontology. 120: 46-64. DOI: 10.1016/J.Marmicro.2015.08.001 |
0.445 |
|
| 2015 |
Spero HJ, Eggins SM, Russell AD, Vetter L, Kilburn MR, Hönisch B. Timing and mechanism for intratest Mg/Ca variability in a living planktic foraminifer Earth and Planetary Science Letters. 409: 32-42. DOI: 10.1016/J.Epsl.2014.10.030 |
0.75 |
|
| 2015 |
Fehrenbacher JS, Spero HJ, Russell AD, Vetter L, Eggins S. Optimizing LA-ICP-MS analytical procedures for elemental depth profiling of foraminifera shells Chemical Geology. 407: 2-9. DOI: 10.1016/J.Chemgeo.2015.04.007 |
0.761 |
|
| 2014 |
Hill TM, Myrvold CR, Spero HJ, Guilderson TP. Evidence for benthic-pelagic food web coupling and carbon export from California margin bamboo coral archives Biogeosciences. 11: 3845-3854. DOI: 10.5194/Bg-11-3845-2014 |
0.617 |
|
| 2014 |
Eerkens JW, DeGeorgey A, Spero HJ, Descantes C. Seasonality of Late Prehistoric Clamming on San Francisco Bay: Oxygen Isotope Analyses of Macoma nasuta Shells from a Stege Mound, CA-CCO-297 California Archaeology. 6: 23-46. DOI: 10.1179/1947461X14Z.00000000024 |
0.407 |
|
| 2014 |
Oster JL, Montañez IP, Mertz-Kraus R, Sharp WD, Stock GM, Spero HJ, Tinsley J, Zachos JC. Millennial-scale variations in western Sierra Nevada precipitation during the last glacial cycle MIS 4/3 transition Quaternary Research (United States). 82: 236-248. DOI: 10.1016/J.Yqres.2014.04.010 |
0.384 |
|
| 2014 |
Waelbroeck C, Kiefer T, Dokken T, Chen MT, Spero HJ, Jung S, Weinelt M, Kucera M, Paul A. Constraints on surface seawater oxygen isotope change between the Last Glacial Maximum and the Late Holocene Quaternary Science Reviews. 105: 102-111. DOI: 10.1016/J.Quascirev.2014.09.020 |
0.396 |
|
| 2014 |
Vetter L, Kozdon R, Valley JW, Mora CI, Spero HJ. SIMS measurements of intrashell δ13C in the cultured planktic foraminifer Orbulina universa Geochimica Et Cosmochimica Acta. 139: 527-539. DOI: 10.1016/J.Gca.2014.04.049 |
0.749 |
|
| 2014 |
de Nooijer L, Spero H, Erez J, Bijma J, Reichart G. Biomineralization in perforate foraminifera Earth-Science Reviews. 135: 48-58. DOI: 10.1016/J.Earscirev.2014.03.013 |
0.354 |
|
| 2014 |
Paris G, Fehrenbacher JS, Sessions AL, Spero HJ, Adkins JF. Experimental determination of carbonate-associated sulfate δ34S in planktonic foraminifera shells Geochemistry, Geophysics, Geosystems. 15: 1452-1461. DOI: 10.1002/2014Gc005295 |
0.792 |
|
| 2013 |
Menicucci AJ, Matthews JA, Spero HJ. Oxygen isotope analyses of biogenic opal and quartz using a novel microfluorination technique. Rapid Communications in Mass Spectrometry : Rcm. 27: 1873-81. PMID 23857933 DOI: 10.1002/Rcm.6642 |
0.758 |
|
| 2013 |
Lea DW, Pak DK, Spero HJ. Sea Surface Temperatures in the Western Equatorial Pacific During Marine Isotope Stage 11 Geophysical Monograph. 137: 147-156. DOI: 10.1029/137Gm11 |
0.472 |
|
| 2013 |
Kuroyanagi A, da Rocha RE, Bijma J, Spero HJ, Russell AD, Eggins SM, Kawahata H. Effect of dissolved oxygen concentration on planktonic foraminifera through laboratory culture experiments and implications for oceanic anoxic events Marine Micropaleontology. 101: 28-32. DOI: 10.1016/J.Marmicro.2013.04.005 |
0.368 |
|
| 2013 |
Eerkens JW, Byrd BF, Spero HJ, Fritschi AK. Stable isotope reconstructions of shellfish harvesting seasonality in an estuarine environment: Implications for Late Holocene San Francisco Bay settlement patterns Journal of Archaeological Science. 40: 2014-2024. DOI: 10.1016/J.Jas.2012.12.018 |
0.416 |
|
| 2013 |
Hönisch B, Allen KA, Lea DW, Spero HJ, Eggins SM, Arbuszewski J, deMenocal P, Rosenthal Y, Russell AD, Elderfield H. The influence of salinity on Mg/Ca in planktic foraminifers - Evidence from cultures, core-top sediments and complementary δ18O Geochimica Et Cosmochimica Acta. 121: 196-213. DOI: 10.1016/J.Gca.2013.07.028 |
0.468 |
|
| 2013 |
Vetter L, Kozdon R, Mora CI, Eggins SM, Valley JW, Hönisch B, Spero HJ. Micron-scale intrashell oxygen isotope variation in cultured planktic foraminifers Geochimica Et Cosmochimica Acta. 107: 267-278. DOI: 10.1016/J.Gca.2012.12.046 |
0.751 |
|
| 2013 |
Penman DE, Hönisch B, Rasbury ET, Hemming NG, Spero HJ. Boron, carbon, and oxygen isotopic composition of brachiopod shells: Intra-shell variability, controls, and potential as a paleo-pH recorder Chemical Geology. 340: 32-39. DOI: 10.1016/J.Chemgeo.2012.11.016 |
0.399 |
|
| 2013 |
Vetter L, Spero HJ, Russell AD, Fehrenbacher JS. LA-ICP-MS depth profiling perspective on cleaning protocols for elemental analyses in planktic foraminifers Geochemistry, Geophysics, Geosystems. 14: 2916-2931. DOI: 10.1002/Ggge.20163 |
0.789 |
|
| 2012 |
Hill TM, LaVigne M, Spero HJ, Guilderson T, Gaylord B, Clague D. Variations in seawater Sr/Ca recorded in deep-sea bamboo corals Paleoceanography. 27. DOI: 10.1029/2011Pa002260 |
0.808 |
|
| 2011 |
Cox KA, Rohling EJ, Schmidt GA, Schiebel R, Bacon S, Winter DA, Bolshaw M, Spero HJ. New constraints on the Eastern Mediterranean <i>δ</i><sup>18</sup>O:<i>δ</i>D relationship Ocean Science Discussions. 8: 39-53. DOI: 10.5194/Osd-8-39-2011 |
0.367 |
|
| 2011 |
Schmidt MW, Spero HJ. Meridional shifts in the marine ITCZ and the tropical hydrologic cycle over the last three glacial cycles Paleoceanography. 26. DOI: 10.1029/2010Pa001976 |
0.381 |
|
| 2011 |
Hill TM, Spero HJ, Guilderson T, Lavigne M, Clague D, MacAlello S, Jang N. Temperature and vital effect controls on bamboo coral (Isididae) isotope geochemistry: A test of the "lines method" Geochemistry, Geophysics, Geosystems. 12. DOI: 10.1029/2010Gc003443 |
0.804 |
|
| 2011 |
Hönisch B, Allen KA, Russell AD, Eggins SM, Bijma J, Spero HJ, Lea DW, Yu J. Planktic foraminifers as recorders of seawater Ba/Ca Marine Micropaleontology. 79: 52-57. DOI: 10.1016/J.Marmicro.2011.01.003 |
0.42 |
|
| 2011 |
LaVigne M, Hill TM, Spero HJ, Guilderson TP. Bamboo coral Ba/Ca: Calibration of a new deep ocean refractory nutrient proxy Earth and Planetary Science Letters. 312: 506-515. DOI: 10.1016/J.Epsl.2011.10.013 |
0.813 |
|
| 2011 |
Allen KA, Hönisch B, Eggins SM, Yu J, Spero HJ, Elderfield H. Controls on boron incorporation in cultured tests of the planktic foraminifer Orbulina universa Earth and Planetary Science Letters. 309: 291-301. DOI: 10.1016/J.Epsl.2011.07.010 |
0.359 |
|
| 2010 |
Rose KA, Sikes EL, Guilderson TP, Shane P, Hill TM, Zahn R, Spero HJ. Upper-ocean-to-atmosphere radiocarbon offsets imply fast deglacial carbon dioxide release. Nature. 466: 1093-7. PMID 20740012 DOI: 10.1038/Nature09288 |
0.627 |
|
| 2010 |
Harding JM, Spero HJ, Mann R, Herbert GS, Sliko JL. Reconstructing early 17th century estuarine drought conditions from Jamestown oysters. Proceedings of the National Academy of Sciences of the United States of America. 107: 10549-54. PMID 20534581 DOI: 10.1073/Pnas.1001052107 |
0.353 |
|
| 2010 |
Eerkens JW, Rosenthal JS, Stevens NE, Cannon A, Brown EL, Spero HJ. Stable isotope provenance analysis of Olivella Shell beads from the Los Angeles basin and San Nicolas Island Journal of Island and Coastal Archaeology. 5: 105-119. DOI: 10.1080/15564890902955327 |
0.377 |
|
| 2009 |
Waelbroeck C, Paul A, Kucera M, Rosell-Melé A, Weinelt M, Schneider R, Mix AC, Abelmann A, Armand L, Bard E, Barker S, Barrows TT, Benway H, Cacho I, Chen MT, ... ... Spero H, et al. Constraints on the magnitude and patterns of ocean cooling at the Last Glacial Maximum Nature Geoscience. 2: 127-132. DOI: 10.1038/Ngeo411 |
0.365 |
|
| 2009 |
Lombard F, Labeyrie L, Michel E, Spero HJ, Lea DW. Modelling the temperature dependent growth rates of planktic foraminifera Marine Micropaleontology. 70: 1-7. DOI: 10.1016/J.Marmicro.2008.09.004 |
0.32 |
|
| 2008 |
Crowley SF, Spero HJ, Winter DA, Sloane HJ, Croudace IW. Oxygen isotope analysis of carbonates in the calcite-dolomite-magnesite solid-solution by high-temperature pyrolysis: initial results. Rapid Communications in Mass Spectrometry : Rcm. 22: 1703-13. PMID 18446821 DOI: 10.1002/Rcm.3518 |
0.38 |
|
| 2008 |
Schmidt M, Spero H. North Atlantic salinity oscillations linked to atmospheric and ocean circulation changes over the last glacial cycle Pages News. 16: 23-25. DOI: 10.22498/Pages.16.1.23 |
0.608 |
|
| 2008 |
Zeebe RE, Bijma J, Hönisch B, Sanyal A, Spero HJ, Wolf-Gladrow DA. Vital effects and beyond: a modelling perspective on developing palaeoceanographical proxy relationships in foraminifera Geological Society, London, Special Publications. 303: 45-58. DOI: 10.1144/Sp303.4 |
0.374 |
|
| 2008 |
Hamilton CP, Spero HJ, Bijma J, Lea DW. Geochemical investigation of gametogenic calcite addition in the planktonic foraminifera Orbulina universa Marine Micropaleontology. 68: 256-267. DOI: 10.1016/J.Marmicro.2008.04.003 |
0.454 |
|
| 2007 |
Pakulski JD, Baldwin A, Dean AL, Durkin S, Karentz D, Kelley CA, Scott K, Spero HJ, Wilhelm SW, Amin R, Jeffrey WH. Responses of heterotrophic bacteria to solar irradiance in the eastern Pacific Ocean Aquatic Microbial Ecology. 47: 153-162. DOI: 10.3354/Ame047153 |
0.338 |
|
| 2006 |
Schmidt MW, Vautravers MJ, Spero HJ. Rapid subtropical North Atlantic salinity oscillations across Dansgaard-Oeschger cycles. Nature. 443: 561-4. PMID 17024090 DOI: 10.1038/Nature05121 |
0.655 |
|
| 2006 |
Schmidt MW, Vautravers MJ, Spero HJ. Western Caribbean sea surface temperatures during the late Quaternary Geochemistry, Geophysics, Geosystems. 7: n/a-n/a. DOI: 10.1029/2005Gc000957 |
0.684 |
|
| 2006 |
Lea DW, Pak DK, Belanger CL, Spero HJ, Hall MA, Shackleton NJ. Paleoclimate history of Galápagos surface waters over the last 135,000 yr Quaternary Science Reviews. 25: 1152-1167. DOI: 10.1016/J.Quascirev.2005.11.010 |
0.432 |
|
| 2006 |
Martínez I, Spero HJ, Berrio JC. Late Quaternary climates of tropical America and adjacent seas Palaeogeography, Palaeoclimatology, Palaeoecology. 234: 1-2. DOI: 10.1016/J.Palaeo.2005.10.017 |
0.313 |
|
| 2006 |
Opdyke B, Edwards J, Bostock H, Lea D, Spero H, Gagan M, Fifield K. Mg/Ca, stable isotopes and an important paleo-salintiy record from the indo-pacific warm pool Geochimica Et Cosmochimica Acta. 70: A460. DOI: 10.1016/J.Gca.2006.06.926 |
0.384 |
|
| 2005 |
Bowen GJ, Winter DA, Spero HJ, Zierenberg RA, Reeder MD, Cerling TE, Ehleringer JR. Stable hydrogen and oxygen isotope ratios of bottled waters of the world. Rapid Communications in Mass Spectrometry : Rcm. 19: 3442-50. PMID 16261651 DOI: 10.1002/Rcm.2216 |
0.322 |
|
| 2005 |
von Langen PJ, Pak DK, Spero HJ, Lea DW. Effects of temperature on Mg/Ca in neogloboquadrinid shells determined by live culturing Geochemistry, Geophysics, Geosystems. 6: n/a-n/a. DOI: 10.1029/2005Gc000989 |
0.44 |
|
| 2005 |
Waelbroeck C, Mulitza S, Spero H, Dokken T, Kiefer T, Cortijo E. A global compilation of late Holocene planktonic foraminiferal δ18O: Relationship between surface water temperature and δ18O Quaternary Science Reviews. 24: 853-868. DOI: 10.1016/J.Quascirev.2003.10.014 |
0.434 |
|
| 2005 |
Eerkens JW, Herbert GS, Rosenthal JS, Spero HJ. Provenance analysis of Olivella biplicata shell beads from the California and Oregon Coast by stable isotope fingerprinting Journal of Archaeological Science. 32: 1501-1514. DOI: 10.1016/J.Jas.2005.04.005 |
0.413 |
|
| 2004 |
Schmidt MW, Spero HJ, Lea DW. Links between salinity variation in the Caribbean and North Atlantic thermohaline circulation. Nature. 428: 160-3. PMID 15014495 DOI: 10.1038/Nature02346 |
0.656 |
|
| 2004 |
Russell AD, Hönisch B, Spero HJ, Lea DW. Effects of seawater carbonate ion concentration and temperature on shell U, Mg, and Sr in cultured planktonic foraminifera Geochimica Et Cosmochimica Acta. 68: 4347-4361. DOI: 10.1016/J.Gca.2004.03.013 |
0.459 |
|
| 2004 |
Hill TM, Kennett JP, Spero HJ. High-resolution records of methane hydrate dissociation: ODP Site 893, Santa Barbara Basin Earth and Planetary Science Letters. 223: 127-140. DOI: 10.1016/J.Epsl.2004.04.003 |
0.72 |
|
| 2004 |
Fietzke J, Eisenhauer A, Gussone N, Bock B, Liebetrau V, Nägler T, Spero H, Bijma J, Dullo C. Direct measurement of 44Ca/40Ca ratios by MC–ICP–MS using the cool plasma technique Chemical Geology. 206: 11-20. DOI: 10.1016/J.Chemgeo.2004.01.014 |
0.389 |
|
| 2003 |
Spero HJ, Mielke KM, Kalve EM, Lea DW, Pak DK. Multispecies approach to reconstructing eastern equatorial Pacific thermocline hydrography during the past 360 kyr Paleoceanography. 18: n/a-n/a. DOI: 10.1029/2002Pa000814 |
0.388 |
|
| 2003 |
Hill TM, Kennett JP, Spero HJ. Foraminifera as indicators of methane-rich environments: A study of modern methane seeps in Santa Barbara Channel, California Marine Micropaleontology. 49: 123-138. DOI: 10.1016/S0377-8398(03)00032-X |
0.735 |
|
| 2003 |
Hönisch B, Bijma J, Russell AD, Spero HJ, Palmer MR, Zeebe RE, Eisenhauer A. The influence of symbiont photosynthesis on the boron isotopic composition of foraminifera shells Marine Micropaleontology. 49: 87-96. DOI: 10.1016/S0377-8398(03)00030-6 |
0.392 |
|
| 2003 |
Gussone N, Eisenhauer A, Heuser A, Dietzel M, Bock B, Böhm F, Spero HJ, Lea DW, Bijma J, Nägler TF. Model for kinetic effects on calcium isotope fractionation (δ44Ca) in inorganic aragonite and cultured planktonic foraminifera Geochimica Et Cosmochimica Acta. 67: 1375-1382. DOI: 10.1016/S0016-7037(02)01296-6 |
0.439 |
|
| 2002 |
Zachos JC, Arthur MA, Bralower TJ, Spero HJ. Palaeoclimatology: tropical temperatures in greenhouse episodes. Nature. 419: 897-8; discussion 89. PMID 12410301 DOI: 10.1038/419897B |
0.303 |
|
| 2002 |
Spero HJ, Lea DW. The cause of carbon isotope minimum events on glacial terminations. Science (New York, N.Y.). 296: 522-5. PMID 11964477 DOI: 10.1126/Science.1069401 |
0.423 |
|
| 2002 |
Dekens PS, Lea DW, Pak DK, Spero HJ. Core top calibration of Mg/Ca in tropical foraminifera: Refining paleotemperature estimation Geochemistry, Geophysics, Geosystems. 3: 1-29. DOI: 10.1029/2001Gc000200 |
0.437 |
|
| 2002 |
Bemis BE, Spero HJ, Thunell RC. Using species-specific paleotemperature equations with foraminifera: A case study in the Southern California Bight Marine Micropaleontology. 46: 405-430. DOI: 10.1016/S0377-8398(02)00083-X |
0.772 |
|
| 2002 |
Lea DW, Martin PA, Pak DK, Spero HJ. Reconstructing a 350ky history of sea level using planktonic Mg/Ca and oxygen isotope records from a Cocos Ridge core Quaternary Science Reviews. 21: 283-293. DOI: 10.1016/S0277-3791(01)00081-6 |
0.658 |
|
| 2000 |
Lea DW, Pak DK, Spero HJ. Climate impact of late quaternary equatorial pacific sea surface temperature variations Science (New York, N.Y.). 289: 1719-24. PMID 10976060 DOI: 10.1126/Science.289.5485.1719 |
0.407 |
|
| 2000 |
Russell AD, Spero HJ. Field examination of the oceanic carbonate ion effect on stable isotopes in planktonic foraminifera Paleoceanography. 15: 43-52. DOI: 10.1029/1998Pa000312 |
0.409 |
|
| 2000 |
Bemis BE, Spero HJ, Lea DW, Bijma J. Temperature influence on the carbon isotopic composition of Globigerina bulloides and Orbulina universa (planktonic foraminifera) Marine Micropaleontology. 38: 213-228. DOI: 10.1016/S0377-8398(00)00006-2 |
0.77 |
|
| 1999 |
Uhle ME, Macko SA, Spero HJ, Lea DW, Ruddiman WF, Engel MH. The fate of nitrogen in the Orbulina universa foraminifera-symbiont system determined by nitrogen isotope analyses of shell-bound organic matter Limnology and Oceanography. 44: 1968-1977. DOI: 10.4319/Lo.1999.44.8.1968 |
0.338 |
|
| 1999 |
Houston RM, Huber BT, Spero HJ. Size-related isotopic trends in some Maastrichtian planktic foraminifera: methodological comparisons, intraspecific variability, and evidence for photosymbiosis Marine Micropaleontology. 36: 169-188. DOI: 10.1016/S0377-8398(99)00007-9 |
0.372 |
|
| 1999 |
Lea DW, Mashiotta TA, Spero HJ. Controls on magnesium and strontium uptake in planktonic foraminifera determined by live culturing Geochimica Et Cosmochimica Acta. 63: 2369-2379. DOI: 10.1016/S0016-7037(99)00197-0 |
0.423 |
|
| 1999 |
Mashiotta TA, Lea DW, Spero HJ. Glacial–interglacial changes in Subantarctic sea surface temperature and δ18O-water using foraminiferal Mg Earth and Planetary Science Letters. 170: 417-432. DOI: 10.1016/S0012-821X(99)00116-8 |
0.467 |
|
| 1998 |
Kirby MX, Soniat TM, Spero HJ. Stable isotope sclerochronology of Pleistocene and Recent oyster shells (Crassostrea virginica) Palaios. 13: 560-569. DOI: 10.1043/0883-1351(1998)013<0560:Sisopa>2.0.Co;2 |
0.423 |
|
| 1998 |
Bemis BE, Spero HJ, Bijma J, Lea DW. Reevaluation of the oxygen isotopic composition of planktonic foraminifera: Experimental results and revised paleotemperature equations Paleoceanography. 13: 150-160. DOI: 10.1029/98Pa00070 |
0.777 |
|
| 1998 |
Buening N, Carlson SJ, Spero HJ, Lee DE. Evidence for the Early Oligocene formation of a proto-Subtropical Convergence from oxygen isotope records of New Zealand Paleogene brachiopods Palaeogeography, Palaeoclimatology, Palaeoecology. 138: 43-68. DOI: 10.1016/S0031-0182(97)00113-2 |
0.388 |
|
| 1998 |
Rink S, Kühl M, Bijma J, Spero HJ. Microsensor studies of photosynthesis and respiration in the symbiotic foraminifer Orbulina universa Marine Biology. 131: 583-595. DOI: 10.1007/S002270050350 |
0.332 |
|
| 1997 |
Spero HJ, Bijma J, Lea DW, Bemis BE. Effect of seawater carbonate concentration on foraminiferal carbon and oxygen isotopes Nature. 390: 497-500. DOI: 10.1038/37333 |
0.79 |
|
| 1997 |
Uhle M, Macko S, Spero H, Engel M, Lea D. Sources of carbon and nitrogen in modern planktonic foraminifera: the role of algal symbionts as determined by bulk and compound specific stable isotopic analyses Organic Geochemistry. 27: 103-113. DOI: 10.1016/S0146-6380(97)00075-2 |
0.383 |
|
| 1997 |
Mashiotta TA, Lea DW, Spero HJ. Experimental determination of cadmium uptake in shells of the planktonic foraminifera Orbulina universa and Globigerina bulloides: Implications for surface water paleoreconstructions Geochimica Et Cosmochimica Acta. 61: 4053-4065. DOI: 10.1016/S0016-7037(97)00206-8 |
0.302 |
|
| 1996 |
Chandler GT, Williams DF, Spero HJ, Xiaodong G. Sediment microhabitat effects on carbon stable isotopic signatures of microcosm-cultured benthic foraminifera Limnology and Oceanography. 41: 680-688. DOI: 10.4319/Lo.1996.41.4.0680 |
0.404 |
|
| 1996 |
Sanyal A, Hemming NG, Broecker WS, Lea DW, Spero HJ, Hanson GN. Oceanic pH control on the boron isotopic composition of foraminifera: Evidence from culture experiments Paleoceanography. 11: 513-517. DOI: 10.1029/96Pa01858 |
0.313 |
|
| 1996 |
Billups K, Spero HJ. Reconstructing the stable isotope geochemistry and paleotemperatures of the equatorial Atlantic during the last 150,000 years: Results from individual foraminifera Paleoceanography. 11: 217-238. DOI: 10.1029/95Pa03773 |
0.437 |
|
| 1996 |
Spero HJ, Lea DW. Experimental determination of stable isotope variability in Globigerina bulloides: implications for paleoceanographic reconstructions Marine Micropaleontology. 28: 231-246. DOI: 10.1016/0377-8398(96)00003-5 |
0.407 |
|
| 1996 |
Buening N, Spero HJ. Oxygen- and carbon-isotope analyses of the articulate brachiopodLaqueus californianus: a recorder of environmental changes in the subeuphotic zone Marine Biology. 127: 105-114. DOI: 10.1007/Bf00993650 |
0.433 |
|
| 1995 |
Billups K, Spero HJ. Relationship between shell size, thickness and stable isotopes in individual planktonic foraminifera from two equatorial Atlantic cores Journal of Foraminiferal Research. 25: 24-37. DOI: 10.2113/Gsjfr.25.1.24 |
0.352 |
|
| 1995 |
Lea DW, Martin PA, Chan DA, Spero HJ. Calcium uptake and calcification rate in the planktonic foraminifer Orbulina universa The Journal of Foraminiferal Research. 25: 14-23. DOI: 10.2113/Gsjfr.25.1.14 |
0.535 |
|
| 1994 |
Lea DW, Spero HJ. Assessing the reliability of paleochemical tracers: Barium uptake in the shells of planktonic foraminifera Paleoceanography. 9: 445-452. DOI: 10.1029/94Pa00151 |
0.461 |
|
| 1993 |
Spero HJ, Lea DW. Intraspecific stable isotope variability in the planktic foraminiferaGlobigerinoides sacculifer: Results from laboratory experiments Marine Micropaleontology. 22: 221-234. DOI: 10.1016/0377-8398(93)90045-Y |
0.386 |
|
| 1992 |
Spero HJ. Do planktic foraminifera accurately record shifts in the carbon isotopic composition of seawater ΣCO2? Marine Micropaleontology. 19: 275-285. DOI: 10.1016/0377-8398(92)90033-G |
0.433 |
|
| 1992 |
Lea DW, Spero HJ. Experimental determination of barium uptake in shells of the planktonic foraminifera Orbulina universa at 22°C Geochimica Et Cosmochimica Acta. 56: 2673-2680. DOI: 10.1016/0016-7037(92)90352-J |
0.456 |
|
| 1991 |
Spero HJ, Angel DL. PLANKTONIC SARCODINES: MICROHABITAT FOR OCEANIC DINOFLAGELLATES1 Journal of Phycology. 27: 187-195. DOI: 10.1111/J.0022-3646.1991.00187.X |
0.32 |
|
| 1991 |
Spero HJ, Lerche I, Williams DF. Opening the carbon isotope "vital effect" black box, 2, Quantitative model for interpreting foraminiferal carbon isotope data Paleoceanography. 6: 639-655. DOI: 10.1029/91Pa02022 |
0.413 |
|
| 1990 |
Spero HJ, Williams DF. Evidence for seasonal low-salinity surface waters in the Gulf of Mexico over the last 16,000 years Paleoceanography. 5: 963-975. DOI: 10.1029/Pa005I006P00963 |
0.442 |
|
| 1989 |
Porter JW, Fitt WK, Spero HJ, Rogers CS, White MW. Bleaching in reef corals: Physiological and stable isotopic responses. Proceedings of the National Academy of Sciences of the United States of America. 86: 9342-6. PMID 16594090 DOI: 10.1073/Pnas.86.23.9342 |
0.364 |
|
| 1988 |
Spero HJ, Williams DF. Extracting environmental information from planktonic foraminiferal δ13C data Nature. 335: 717-719. DOI: 10.1038/335717A0 |
0.434 |
|
| 1988 |
Williams DF, Ehrlich R, Spero HJ, Healy-Williams N, Gary AC. Shape and isotopic differences between conspecific foraminiferal morphotypes and resolution of paleoceanographic events Palaeogeography, Palaeoclimatology, Palaeoecology. 64: 153-162. DOI: 10.1016/0031-0182(88)90004-1 |
0.403 |
|
| 1988 |
Jones DS, Williams DF, Spero HJ. More light on photosymbiosis in fossil mollusks: The case of Mercenaria “tridacnoides” Palaeogeography, Palaeoclimatology, Palaeoecology. 64: 141-152. DOI: 10.1016/0031-0182(88)90003-X |
0.308 |
|
| 1988 |
Spero HJ. Ultrastructural examination of chamber morphogenesis and biomineralization in the planktonic foraminiferOrbulina universa Marine Biology. 99: 9-20. DOI: 10.1007/Bf00644972 |
0.35 |
|
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