D. Harwood

Publications193
h-index39
Citations5,339
Highly Influential Citations429
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Obliquity-paced Pliocene West Antarctic ice sheet oscillations
TLDR
A marine glacial record from the upper 600 m of the AND-1B sediment core recovered from beneath the northwest part of the Ross ice shelf is presented and well-dated, ∼40-kyr cyclic variations in ice-sheet extent linked to cycles in insolation influenced by changes in the Earth’s axial tilt (obliquity) during the Pliocene are demonstrated.
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Thinking outside the zone: High-resolution quantitative diatom biochronology for the Antarctic Neogene
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Middle Eocene to Pleistocene Diatom Biostratigraphy of Southern Ocean Sediments from the Kerguelen Plateau, Leg 120
The biostratigraphic distribution and abundance of lower Oligocene to Pleistocene diatoms is documented from Holes 747A, 747B, 748B, 749B, and 751A drilled during Ocean Drilling Program Leg 120 on…
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Palynomorphs from a sediment core reveal a sudden remarkably warm Antarctica during the middle Miocene
An exceptional triple palynological signal (unusually high abundance of marine, freshwater, and terrestrial palynomorphs) recovered from a core collected during the 2007 ANDRILL (Antarctic geologic…
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Resolving a late Oligocene conundrum: Deep-sea warming and Antarctic glaciation
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Circum-Antarctic warming events between 4 and 3.5 Ma recorded in marine sediments from the Prydz Bay (ODP Leg 188) and the Antarctic Peninsula (ODP Leg 178) margins.
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Orbitally induced oscillations in the East Antarctic ice sheet at the Oligocene/Miocene boundary
TLDR
Sediment data from shallow marine cores in the western Ross Sea are presented that exhibit well dated cyclic variations, and which link the extent of the East Antarctic ice sheet directly to orbital cycles during the Oligocene/Miocene transition, suggesting that orbital influences at the frequencies of obliquity and eccentricity controlled the oscillations of the ice margin at that time.
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Sea ice feedback and Cenozoic evolution of Antarctic climate and ice sheets
[1] The extent and thickness of Antarctic sea ice have important climatic effects on radiation balance, energy transfer between the atmosphere and ocean, and moisture availability. This paper…
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Antarctic records of precession‐paced insolation‐driven warming during early Pleistocene Marine Isotope Stage 31
Precisely dated Antarctic continental margin and Southern Ocean geological records show that the early Pleistocene interglacial Marine Isotope Stage 31 (MIS‐31) was characterized by warmer than…
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Diatom biostratigraphy of the Cenozoic glaciomarine Pagodroma Group, northern Prince Charles Mountains, East Antarctica
In the northern Prince Charles Mountains glaciomarine sediments of the Pagodroma Group outcrop on Fisher Massif (Mt Johnston and Fisher Bench Formations) and at the Amery Oasis (Battye Glacier and…
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