Items where Author is "Johnstone, Heather J H"

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Johnstone, HJH, Kuhnert, H, Bickert, T, Romero, O and Pälike, H (2020) Single tests of hermocline dwelling foraminifera Globorotalia inflata as recorder of upper water column structure off Mauritania (NW Africa): methodology and paleoceanographic use. Paleoceanography and Paleoclimatology, 35(8). doi:10.1029/2019PA003844

Ballalai, JM, Santos, TP, Lessa, DO, Venancio, IM, Chiessi, CM, Johnstone, HJH, Kuhnert, H, Claudio, MR, Toledo, F, Costa, KB and Albuquerque, ALS (2019) Tracking spread of the Agulhas Leakage into the western South Atlantic and its northward transmission during the Last Interglacial. Paleoceanography and Paleoclimatology. doi:10.1029/2019PA003653

Johnstone, HJH, Steinke, S, Kuhnert, H, Bickert, T, Pälike, H and Mohtadi, M (2016) Automated cleaning of foraminifera shells before Mg/Ca analysis using a pipette robot. Geochemistry, Geophysics, Geosystems, 17(8). 3502-3511. doi:10.1002/2016GC006422

Johnstone, HJH, Lee, W and Schulz, M (2016) Effect of preservation state of planktonic foraminifera tests on the decrease in Mg/Ca due to reductive cleaning and on sample loss during cleaning. Chemical Geology, 420. 23-36. doi:10.1016/j.chemgeo.2015.10.045 PANGAEA Supplementary Data

Johnstone, HJH, Kiefer, T, Elderfield, H and Schulz, M (2014) Calcite saturation, foraminiferal test mass, and Mg/Ca-based temperatures dissolution corrected using XDX-A 150 ka record from the western Indian Ocean. Geochemistry, Geophysics, Geosystems, 15(3). 781-797. doi:10.1002/2013GC004994 PANGAEA Supplementary Data

Zarriess, M, Johnstone, HJH, Prange, M, Steph, S, Groeneveld, J, Mulitza, S and Mackensen, A (2011) Bipolar seesaw in the northeastern tropical Atlantic during Heinrich stadials. Geophysical Research Letters, 38. L04706. doi:10.1029/2010GL046070 PANGAEA Supplementary Data

Johnstone, HJH, Yu, J, Elderfield, H and Schulz, M (2011) Improving temperature estimates derived from Mg/Ca of planktonic foraminifera using X-ray computed tomography-based dissolution index, XDX. Paleoceanography, 26. PA1215. doi:10.1029/2009PA001902 PANGAEA Supplementary Data

Steinke, S, Groeneveld, J, Johnstone, HJH and Rendle-Bühring, R (2010) East Asian summer monsoon weakening after 7.5 Ma: Evidence from combined planktonic foraminifera Mg/Ca and delta 0-18 (ODP Site 1146; northern South China Sea). Palaeogeography, Palaeoclimatology, Palaeoecology, 289(1-4). 33-43. doi:10.1016/j.palaeo.2010.02.007 PANGAEA Supplementary Data

Johnstone, HJH, Schulz, M, Barker, S and Elderfield, H (2010) Inside story: An X-ray computed tomography method for assessing dissolution in the tests of planktonic foraminifera. Marine Micropaleontology, 77(1-2). 58-70. doi:10.1016/j.marmicro.2010.07.004 PANGAEA Supplementary Data


Johnstone, HJH (2010) Assessing dissolution in the tests of planktonic foraminifera using computed tomography (CT): potential for improving paleoceanographic reconstructions. PhD thesis, Elektronische Dissertationen an der Staats- und Universitätsbibliothek Bremen, Germany. urn:nbn:de:gbv:46-00101815-15

This list was generated on Fri Jun 11 18:01:27 2021 CEST.