Ryoshi Ishiwatari

Overview

Best Publications

• Lacustrine organic geochemistry—an overview of indicators of organic matter sources and diagenesis in lake sediments

  Philip A. Meyers;Ryoshi Ishiwatari

  2330
  Citations

• Organic Matter Accumulation Records in Lake Sediments

  P. A. Meyers;R. Ishiwatari

  237
  Citations

• Biodegradation experiments of linear alkylbenzenes (LABs): isomeric composition of C12 LABs as an indicator of the degree of LAB degradation in the aquatic environment.

  Hideshige Takada;Ryoshi Ishiwatari

  215
  Citations

• Linear alkylbenzenes in urban riverine environments in Tokyo: distribution, source, and behavior

  Hideshige. Takada;Ryoshi. Ishiwatari

  213
  Citations

• Latest Paleocene benthic foraminiferal extinction and environmental changes at Tawanui, New Zealand

  Kunio Kaiho;Tetsuya Arinobu;Ryoshi Ishiwatari;Hugh E. G. Morgans

  211
  Citations

• The Early Diagenesis of Organic Matter in Lacustrine Sediments

  Philip A. Meyers;Ryoshi Ishiwatari

  208
  Citations

• Source identification of Malaysian atmospheric polycyclic aromatic hydrocarbons nearby forest fires using molecular and isotopic compositions

  Tomoaki Okuda;Hidetoshi Kumata;Mohamad Pauzi Zakaria;Hiroshi Naraoka

  169
  Citations

• Diagenetic changes of lignin compounds in a more than 0.6 million-year-old lacustrine sediment (Lake Biwa, Japan)

  Ryoshi Ishiwatari;Minoru Uzaki

  165
  Citations

• Molecular-isotopic stratigraphy of long-chain n-alkanes in Lake Baikal Holocene and glacial age sediments

  David Brincat;Keita Yamada;Ryoshi Ishiwatari;Hitoshi Uemura

  164
  Citations

• Thermal alteration experiments on organic matter from recent marine sediments in relation to petroleum genesis

  R Ishiwatari;M Ishiwatari;B.G Rohrback;I.R Kaplan

  161
  Citations

• Spike of pyrosynthetic polycyclic aromatic hydrocarbons associated with an abrupt decrease in δ13C of a terrestrial biomarker at the Cretaceous-Tertiary boundary at Caravaca, Spain

  Tetsuya Arinobu;Ryoshi Ishiwatari;Kunio Kaiho;Marcos A. Lamolda

  142
  Citations

• Organic geochemistry of a lacustrine sediment (Lake Haruna, Japan)

  Ryoshi Ishiwatari;Kazuko Ogura;Shoji Horie

  135
  Citations

• Alkylbenzene pollution of Tokyo Bay sediments

  Ryoshi Ishiwatari;Hideshige Takada;Sun-Ja Yun;Eiji Matsumoto

  133
  Citations

• Macromolecular material (humic substance) in the water column and sediments

  Ryoshi Ishiwatari

  130
  Citations

• Early diagenesis of organic matter in the water column and sediments: Microbial degradation and resynthesis of lipids in Lake Haruna

  Kimitaka Kawamura;Ryoshi Ishiwatari;Kazuko Ogura

  127
  Citations

• Generation of unsaturated and aromatic hydrocarbons by thermal alteration of young kerogen

  Ryoshi Ishiwatari;Kazuo Fukushima

  121
  Citations

• Alkenone-sea surface temperatures in the Japan Sea over the past 36 kyr: warm temperatures at the last glacial maximum

  R Ishiwatari;M Houtatsu;H Okada

  120
  Citations

• Oceanic primary productivity and dissolved oxygen levels at the Cretaceous/Tertiary boundary: Their decrease, subsequent warming, and recovery

  Kunio Kaiho;Yoshimichi Kajiwara;Kazue Tazaki;Masato Ueshima

  108
  Citations

• Molecular and isotopic abundances of long-chain n-fatty acids in open marine sediments of the western North Pacific

  Hiroshi Naraoka;Ryoshi Ishiwatari

  96
  Citations

• Upward decrease of organic C/N ratios in the Okinawa Trough cores: proxy for tracing the post-glacial retreat of the continental shore line

  Hiroshi Ujiié;Yasuhide Hatakeyama;Xue Xin Gu;Shuichi Yamamoto

  95
  Citations