• Publications
  • Influence
Global dinoflagellate event associated with the late Paleocene thermal maximum
The late Paleocene thermal maximum, or LPTM (ca. 55 Ma), represents a geologically brief time interval (∼220 k.y.) characterized by profound global warming and associated environmental change. TheExpand
  • 273
  • 18
Stable carbon and nitrogen isotope signatures indicate recovery of marine biota from sewage pollution at Moa Point, New Zealand.
  • K. Rogers
  • Medicine, Biology
  • Marine pollution bulletin
  • 1 July 2003
Stable carbon and nitrogen isotopes have been used to assess sewage contamination of a sewage outfall, discharging milli-screened effluent into Moa Point Bay, New Zealand, and monitor the recovery ofExpand
  • 112
  • 14
The Apectodinium acme and terrestrial discharge during the Paleocene–Eocene thermal maximum: new palynological, geochemical and calcareous nannoplankton observations at Tawanui, New Zealand
Manifestations of profound perturbations in biogeochemical systems during the Paleocene–Eocene thermal maximum (PETM) include a prominent global negative δ13C and a pronounced increase in theExpand
  • 160
  • 11
Effects of sewage contamination on macro-algae and shellfish at Moa Point, New Zealand using stable carbon and nitrogen isotopes
Abstract Stable carbon and nitrogen isotopes have been used to characterise sewage discharge and effects on seaweed (Ulva lactuca L.), blue mussels (Mytilus galloprovinialis), and limpets (CellanaExpand
  • 46
  • 8
Production, storage, and output of particulate organic carbon: Waipaoa River basin, New Zealand
[1] We compute the particulate organic carbon (POC) yield of the Waipaoa River, New Zealand, using sediment rating curves in conjunction with measurements of the carbon content of the suspendedExpand
  • 101
  • 8
Magnesium and strontium compositions of recent symbiont-bearing benthic foraminifera
Abstract Minor and trace elements in foraminiferal carbonates are potential paleo-proxies of climate, nutrient and seawater composition. There are very few reports of trace element composition ofExpand
  • 42
  • 8
Nitrogen isotopes as a screening tool to determine the growing regimen of some organic and nonorganic supermarket produce from New Zealand.
  • K. Rogers
  • Chemistry, Medicine
  • Journal of agricultural and food chemistry
  • 20 May 2008
An isotopic study was performed on nine varieties of organically and conventionally grown vegetables from an organic food market and a chain supermarket in New Zealand. The main aim of the study wasExpand
  • 70
  • 7
Storm frequency and magnitude in response to Holocene climate variability, Lake Tutira, North-Eastern New Zealand
Abstract A mid to late Holocene record of storm events is preserved in the sediments of Lake Tutira, located on the eastern North Island of New Zealand. Previous studies of a 6 m sediment coreExpand
  • 64
  • 6
Palynofacies, organic geochemistry and depositional environment of the Tartan Formation (Late Paleocene), a potential source rock in the Great South Basin, New Zealand
Abstract Detailed palynofacies analysis of sidewall core samples taken from below, within and above the Tartan Formation (Thanetian, Late Paleocene, 58.7–55.8 Ma), a potential source rock in theExpand
  • 51
  • 6
Holocene sedimentary record from Lake Tutira: A template for upland watershed erosion proximal to the Waipaoa Sedimentary System, northeastern New Zealand
Abstract A Holocene lake record from northeastern New Zealand provides a detailed record of environmental controls on upper watershed sedimentation, and is proximal to the Waipaoa MARGINSExpand
  • 41
  • 6