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Found 13 results

2001

Earth2Class: What Research Scientists can share with classroom teachers
Passow, M.J.; Ortiz, J.D.; Witter, D.; Small, C.; Visbeck, M.; Lerner-Lam, A.; Lotti, R.; Anderson,O.R.; Sambrotto, R.; Armbruster, J.; Griffin, K.
American Meteorological Society 10th Symposium on Education
(2001)
Pages:
103 - 106,
Paleoceanography & paleoclimatology
Ortiz, J. D.
Geotimes
(2001)
Issue:
7
Pages:
42-43
Volume:
46
A theoretical study of the kinetics of the boric acid-borate equilibrium in seawater
Zeebe, R. E.; Sanyal, A.; Ortiz, J. D.; Wolf-Gladrow, D. A.
Marine Chemistry
(2001)
Issue:
2
Pages:
113-124
Volume:
73

2000

Abrupt onset and termination of the African Humid Period: rapid climate responses to gradual insolation forcing
deMenocal, P.; Ortiz, J.; Guilderson, T.; Adkins, J.; Sarnthein, M.; Baker, L.; Yarusinsky, M.
Quaternary Science Reviews
(2000)
Issue:
1-5
Pages:
347-361
Volume:
19
Anthropogenic CO2 invasion into the northeast Pacific based on concurrent delta C-13(DIC) and nutrient profiles from the California Current
Ortiz, J. D.; Mix, A. C.; Wheeler, P. A.; Key, R. M.
Global Biogeochemical Cycles
(2000)
Issue:
3
Pages:
917-929
Volume:
14
Coherent high- and low-latitude climate variability during the holocene warm period
deMenocal, P.; Ortiz, J.; Guilderson, T.; Sarnthein, M.
Science
(2000)
Issue:
5474
Pages:
2198-2202
Volume:
288

1999

Diffuse spectral reflectance as a proxy for percent carbonate content in North Atlantic sediments
Ortiz, J.; Mix, A.; Harris, S.; O'Connell, S.
Paleoceanography
(1999)
Issue:
2
Pages:
171-186
Volume:
14

2004

Enhanced marine productivity off western North America during warm climate intervals of the past 52 ky
Ortiz, J. D.; O'Connell, S. B.; DelViscio, J.; Dean, W.; Carriquiry, J. D.; Marchitto, T.; Zheng, Y.; van Geen, A.
Geology
(2004)
Issue:
6
LDEO Publication Number:
6576
Pages:
521-524
Volume:
32

2007

Marine radiocarbon evidence for the mechanism of deglacial atmospheric CO2 rise
Marchitto, T. M.; Lehman, S. J.; Ortiz, J. D.; Fluckiger, J.; van Geen, A.
Science
(2007)
Issue:
5830
Pages:
1456-1459
Volume:
316
DOI 10.1126/science.1138679

2006

Marchitto, T. M.; Lehman, S. J.; Ortiz, J. D.; van Geen, A.
Geochimica Et Cosmochimica Acta
(2006)
Issue:
18
Pages:
A390-A390
Volume:
70
DOI 10.1016/j.gca.2006.06.787
Sediment Cd and Mo accumulation in the oxygen-minimum zone off western Baja California linked to global climate over the past 52 kyr
Dean, W. E.; Zheng, Y.; Ortiz, J. D.; van Geen, A.
Paleoceanography
(2006)
Issue:
4
Pages:
-
Volume:
21
Doi 10.1029/2005pa001239

2003

On the preservation of laminated sediments along the western margin of North America
van Geen, A.; Zheng, Y.; Bernhard, J. M.; Cannariato, K. G.; Carriquiry, J.; Dean, W. E.; Eakins, B. W.; Ortiz, J. D.; Pike, J.
Paleoceanography
(2003)
Issue:
4
LDEO Publication Number:
6522
Pages:
-
Volume:
18
Doi 10.1029/2003pa000911

2011

A 6,000-yr Lake Record of Drought from the Pacific Northwest
Nelson, D. N.; Abbott, M. B.; Steinman, B.; Polissar, P. J.;Stansell, N.S.; Ortiz, J. S.; Rosenmeier, M. F.; Finney, B.; Riedel, J.
Proceedings of the National Academy of Sciences
(2011)
10.1073/pnas.1009194108