Katherine H. Freeman

Katherine H. Freeman's AcademicInfluence.com Rankings

Chemistry

#4594

World Rank

#5678

Historical Rank

Geochemistry

#101

World Rank

#109

Historical Rank

chemistry Degrees

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Chemistry

Katherine H. Freeman's Degrees

PhD Geology Stanford University
Masters Geology Stanford University
Bachelors Geology University of California, Berkeley

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Katherine H. Freeman's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Marked Decline in Atmospheric Carbon Dioxide Concentrations During the Paleogene (2005) (864)
Compound-specific isotopic analyses: a novel tool for reconstruction of ancient biogeochemical processes. (1990) (755)
Molecular Paleohydrology: Interpreting the Hydrogen-Isotopic Composition of Lipid Biomarkers from Photosynthesizing Organisms (2012) (726)
Global patterns in leaf 13C discrimination and implications for studies of past and future climate (2010) (700)
Fractionation of carbon isotopes by phytoplankton and estimates of ancient CO2 levels. (1992) (619)
Evidence from carbon isotope measurements for diverse origins of sedimentary hydrocarbons (1990) (543)
Transient Floral Change and Rapid Global Warming at the Paleocene-Eocene Boundary (2005) (539)
Miocene evolution of atmospheric carbon dioxide (1999) (446)
Consistent fractionation of 13C in nature and in the laboratory: Growth‐rate effects in some haptophyte algae (1997) (401)
Climate Change as the Dominant Control on Glacial-Interglacial Variations in C3 and C4 Plant Abundance (2001) (379)
New insights into Archean sulfur cycle from mass-independent sulfur isotope records from the Hamersley Basin, Australia (2003) (348)
Influence of physiology and climate on δD of leaf wax n-alkanes from C3 and C4 grasses (2006) (334)
Production of n-alkyl lipids in living plants and implications for the geologic past (2011) (271)
Molecular and isotopic records of C4 grassland expansion in the late miocene (2001) (223)
Slow release of fossil carbon during the Palaeocene-Eocene Thermal Maximum (2011) (223)
Late Archean rise of aerobic microbial ecosystems (2006) (222)
Paleoaltimetry of the Tibetan Plateau from D/H ratios of lipid biomarkers (2009) (218)
Water column anoxia, enhanced productivity and concomitant changes in δ13C and δ34S across the Frasnian–Famennian boundary (Kowala — Holy Cross Mountains/Poland) (2001) (216)
Magnitude of the carbon isotope excursion at the Paleocene-Eocene thermal maximum: The role of plant community change (2007) (195)
Microbial ecology of the stratified water column of the Black Sea as revealed by a comprehensive biomarker study (2007) (195)
Carbon isotope geochemistry of the Frasnian–Famennian transition (2002) (193)
Nonmarine Crenarchaeol in Nevada Hot Springs (2004) (180)
Isotopic compositions of lipid biomarker compounds in estuarine plants and surface sediments (1997) (172)
Lipids of marine Archaea: Patterns and provenance in the water-column and sediments (2007) (171)
The character and origin of lacustrine source rocks in the Lower Cretaceous synrift section, Congo Basin, west Africa (2004) (168)
Effects of aridity and vegetation on plant-wax δD in modern lake sediments (2010) (168)
Community genomic analysis of an extremely acidophilic sulfur-oxidizing biofilm (2011) (166)
Predictive isotopic biogeochemistry: hydrocarbons from anoxic marine basins. (1994) (166)
Performance and optimization of a combustion interface for isotope ratio monitoring gas chromatography/mass spectrometry. (1995) (148)
Methyl sulfides as intermediates in the anaerobic oxidation of methane. (2007) (144)
Ecosystem variability and early human habitats in eastern Africa (2012) (141)
Hydrogen isotope ratios of leaf wax n-alkanes in grasses are insensitive to transpiration (2011) (141)
Methylhopane biomarker hydrocarbons in Hamersley Province sediments provide evidence for Neoarchean aerobiosis (2008) (135)
Acquisition and processing of data for isotope-ratio-monitoring mass spectrometry. (1994) (129)
Variations in the distributions and isotopic composition of alkenones in Black Sea particles and sediments (1992) (126)
Controls on carbon isotope fractionation by diatoms in the Peru upwelling region (1997) (122)
Late Middle Ordovician environmental change and extinction: Harbinger of the Late Ordovician or continuation of Cambrian patterns? (1997) (118)
Organic haze in Earth's early atmosphere: Source of low-13C Late Archean kerogens? (2001) (110)
Water, plants, and early human habitats in eastern Africa (2012) (101)
Trace methane oxidation studied in several Euryarchaeota under diverse conditions. (2005) (101)
Estimated Minimal Divergence Times of the Major Bacterial and Archaeal Phyla (2003) (100)
Viable cyanobacteria in the deep continental subsurface (2018) (100)
Evidence for a diachronous Late Permian marine crisis from the Canadian Arctic region (2012) (100)
Iron-stimulated changes in 13C fractionation and export by equatorial Pacific phytoplankton: Toward a paleogrowth rate proxy (1999) (96)
Aggregation controls the stability of lignin and lipids in clay-sized particulate and mineral associated organic matter (2017) (93)
The effect of aromatization on the isotopic compositions of hydrocarbons during early diagenesis. (1994) (89)
Soil organic carbon stability in forests: Distinct effects of tree species identity and traits (2019) (87)
Different response of δD values of n-alkanes, isoprenoids, and kerogen during thermal maturation (2006) (84)
Isotopic Biogeochemistry of Marine Organic Carbon (2001) (82)
An isotopic biogeochemical assessment of shifts in organic matter input to Holocene sediments from Mud Lake, Florida (2001) (81)
The first day of the Cenozoic (2019) (74)
Measurement of 13C and 15N isotopic composition on nanomolar quantities of C and N. (2009) (72)
Iron and carbon isotope evidence for ecosystem and environmental diversity in the ∼ 2.7 to 2.5 Ga Hamersley Province, Western Australia (2010) (71)
Organic-matter source variation and the expression of a late Middle Ordovician carbon isotope excursion (1999) (70)
Molecular indicators of redox and marine photoautotroph composition in the late Middle Ordovician of Iowa, U.S.A. (1998) (70)
12.15 – Biomarkers for Terrestrial Plants and Climate (2013) (69)
Erratum: Consistent fractionation of13C in nature and in the laboratory: Growth-rate effects in some haptophyte algae (Global Biogeochemical Cycles (1997) 11:2 (279-292)) (1999) (68)
Multiproxy paleoaltimetry of the Late Oligocene-Pliocene Oiyug Basin, southern Tibet (2016) (66)
Molecular characterization of core lipids from halophilic archaea grown under different salinity conditions (2012) (66)
δ13C analyses of individual lignin phenols in Quaternary lake sediments: A novel proxy for deciphering past terrestrial vegetation changes (1999) (65)
Carbon isotopic composition of organic acids in oil field waters, San Joaquin Basin, California, USA (2001) (63)
Isotopic characteristics of canopies in simulated leaf assemblages (2014) (63)
The biogeochemical controls of N2O production and emission in landfill cover soils: the role of methanotrophs in the nitrogen cycle. (2000) (62)
A photoautotrophic source for lycopane in marine water columns. (1993) (61)
Carotenoid biomarkers as an imperfect reflection of the anoxygenic phototrophic community in meromictic Fayetteville Green Lake (2011) (59)
δ13C of low-molecular-weight organic acids generated by the hydrous pyrolysis of oil-prone source rocks (2002) (57)
Archaeal lipids record paleosalinity in hypersaline systems (2011) (57)
Variations in Miocene phytoplankton growth rates in the southwest Atlantic: Evidence for changes in ocean circulation (2000) (57)
Dietary options and behavior suggested by plant biomarker evidence in an early human habitat (2016) (56)
Paleogene plants fractionated carbon isotopes similar to modern plants (2015) (56)
Gas chromatography–pyrolysis–isotope ratio mass spectrometry: a new method for investigating intramolecular isotopic variation in low molecular weight organic acids (2002) (56)
Comparison of water column [CO2aq] with sedimentary alkenone‐based estimates: A test of the alkenone‐CO2 proxy (2002) (55)
Differentiating temperate tree species and their organs using lipid biomarkers in leaves, roots and soil (2012) (52)
Controls on the carbon-isotope compositions of compounds in Peru surface waters (1999) (52)
Black Sea nitrogen cycling and the preservation of phytoplankton δ15N signals during the Holocene (2012) (51)
Carbon Isotope Analyses of Semivolatile Organic Compounds in Aqueous Media Using Solid-Phase Microextraction and Isotope Ratio Monitoring GC/MS. (1997) (50)
Grassland fire ecology has roots in the late Miocene (2018) (49)
Carbon cycle perturbation expressed in terrestrial Permian–Triassic boundary sections in South China (2017) (48)
Palaeocene–Eocene Thermal Maximum prolonged by fossil carbon oxidation (2018) (47)
Methyl Sulfide Production by a Novel Carbon Monoxide Metabolism in Methanosarcina acetivorans (2006) (47)
Export of submicron particulate organic matter to mesopelagic depth in an oligotrophic gyre (2013) (45)
Reconstructing Late Ordovician carbon cycle variations (2013) (44)
Alkenones as paleoceanographic proxies (2000) (44)
Products of trace methane oxidation during nonmethyltrophic growth by Methanosarcina (2007) (43)
Distribution and carbon isotope patterns of diterpenoids and triterpenoids in modern temperate C3 trees and their geochemical significance (2012) (43)
Tree-ring δ 13C tracks flux tower ecosystem productivity estimates in a NE temperate forest (2014) (43)
Biogeochemical controls on reaction of sedimentary organic matter and aqueous sulfides in holocene sediments of Mud Lake, Florida (2002) (43)
Distortion of carbon isotope excursion in bulk soil organic matter during the Paleocene-Eocene thermal maximum (2016) (38)
Isotope analyses of molecular and total organic carbon from miocene sediments (2000) (38)
Sources of alkylbenzenes in Lower Cretaceous lacustrine source rocks, West African rift basins (2004) (37)
Correlating the Ancient Maya and Modern European Calendars with High-Precision AMS 14C Dating (2013) (36)
A comparison of terpenoid and leaf fossil vegetation proxies in Paleocene and Eocene Bighorn Basin sediments (2014) (35)
Fatty acid specific δ13C values reveal earliest Mediterranean cheese production 7,200 years ago (2018) (34)
Fire and ecosystem change in the Arctic across the Paleocene-Eocene Thermal Maximum (2017) (31)
The influence of pressure on crude oil biodegradation in shallow and deep Gulf of Mexico sediments (2018) (31)
Microbial life in the nascent Chicxulub crater (2020) (31)
Anaerobic biodegradation of the isoprenoid biomarkers pristane and phytane (2013) (29)
Climate, ecology, and the spread of herding in eastern Africa (2019) (28)
Fire distinguishers: Refined interpretations of polycyclic aromatic hydrocarbons for paleo-applications (2020) (28)
Sub-Milankovitch paleoclimatic and paleoenvironmental variability in East Africa recorded by Pleistocene lacustrine sediments from Olduvai Gorge, Tanzania (2018) (28)
Flow discharge influences on input and transport of particulate and sedimentary organic carbon along a small temperate river (2012) (28)
Organic matter from the Chicxulub crater exacerbated the K–Pg impact winter (2020) (26)
Black Sea chemocline oscillations during the Holocene: molecular and isotopic studies of marginal sediments (2000) (26)
Clarifying the influence of water availability and plant types on carbon isotope discrimination by C3 plants (2011) (23)
What controls the concentration of various aliphatic lipids in soil (2013) (22)
Alkenone-Based Estimates of Past CO2 Levels: A Consideration of Their Utility Based on an Analysis of Uncertainties (2005) (22)
Controls on the stratigraphic distribution and nitrogen isotopic composition of zinc, vanadyl and free base porphyrins through Oceanic Anoxic Event 2 at Demerara Rise (2015) (21)
Origin of a global carbonate layer deposited in the aftermath of the Cretaceous-Paleogene boundary impact (2020) (21)
Pigment carbon and nitrogen isotopic signatures in euxinic basins (2018) (21)
Subboreal aridity and scytonemin in the Holocene Black Sea (2012) (21)
Appraising the roles of nutrient availability, global change, and functional traits during the angiosperm rise to dominance. (2010) (20)
Aquatic biomarkers record Pleistocene environmental changes at Paleolake Olduvai, Tanzania (2019) (19)
Radiolysis of Macromolecular Organic Material in Mars‐Relevant Mineral Matrices (2019) (18)
Evidence for Shelf Acidification During the Onset of the Paleocene‐Eocene Thermal Maximum (2018) (17)
Enhanced resolution of organic compounds from sediments by isotopic gas chromatography—combustion—mass spectrometry (1991) (17)
Measurement of 13 C and 15 N Isotopic Composition on Nanomolar Quantities of C and N (2009) (17)
Carbon Isotope Record of Trace n‐alkanes in a Continental PETM Section Recovered by the Bighorn Basin Coring Project (BBCP) (2019) (15)
Picomolar-scale compound-specific isotope analyses. (2018) (14)
Intramolecular carbon isotopic analysis of acetic acid by direct injection of aqueous solution (2009) (13)
Rapid sequential separation of sedimentary lipid biomarkers via selective accelerated solvent extraction (2015) (13)
Patterns of Organic-Carbon Enrichment in a Lacustrine Source Rock in Relation to Paleo-Lake Level, Congo Basin, West Africa (2005) (13)
Microbial communities and organic biomarkers in a Proterozoic‐analog sinkhole (2017) (13)
Implications of room temperature oxidation on crystal structure and exchange bias effect in Co/CoO nanoparticles (2015) (13)
Carbon isotope relationships between sulfide-bound steroids and proposed functionalized lipid precursors in sediments from the Santa Barbara Basin, California (1996) (12)
The Habitat of the Nascent Chicxulub Crater (2019) (12)
Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma (2020) (10)
A mechanism for carbon isotope exchange between aqueous acetic acid and CO2/HCO3-: An ab initio study (2005) (10)
Trans-Amazon Drilling Project (TADP): Origins and evolution of the forests, climate, and hydrology of the South American tropics (2015) (10)
Organic Geochemistry of the Cretaceous Western Interior Seaway: A Trans-Basinal Evaluation (1998) (10)
Canopy structure in Late Cretaceous and Paleocene forests as reconstructed from carbon isotope analyses of fossil leaves (2019) (10)
Draft Genome Sequence of the Piezotolerant and Crude Oil-Degrading Bacterium Rhodococcus qingshengii Strain TUHH-12 (2015) (10)
Biogeochemical evidence for environmental changes of Pleistocene Lake Olduvai during the transitional sequence of OGCP core 2A that encompasses Tuff IB (~1.848 Ma) (2019) (10)
Climate response of the Florida Peninsula to Heinrich events in the North Atlantic (2018) (10)
Unexpected occurrence and significance of zinc alkyl porphyrins in Cenomanian-Turonian black shales of the Demerara Rise (2008) (9)
Reply to the Comment by S. Schouten, M. van der Meer, E. Hopmans, and J.S. Sinninghe Damsté on “Lipids of marine Archaea: Patterns and provenance in the water column” (2008) (9)
Chlorins in mid-Cretaceous black shales of the Demerara Rise: The oldest known occurrence (2011) (9)
Compound-specific δ 15 N and chlorin preservation in surface sediments of the Peru Margin with implications for ancient bulk δ 15 N records (2015) (9)
Long-Lived, Sub-Surface Layers of Toxic Oil in the Deep-Sea: A Molecular Organic and Isotopic Geochemical Approach to Understanding their Nature, Molecular Distribution, Origin and Impact to the Northern Gulf of Mexico (2010) (8)
Hydrologic Changes Drove the Late Miocene Expansion of C4 Grasslands on the Northern Indian Subcontinent (2021) (7)
SEPM concepts in Sedimentology adn Paleontology (1998) (7)
Late Miocene C4 Grassland Fire Feedbacks on the Indian Subcontinent (2021) (7)
Molecular Legacy of the 1979 Ixtoc 1 Oil Spill in Deep-Sea Sediments of the Southern Gulf of Mexico (2019) (6)
Compound-Specific Isotope Analyses of Products from Carbonization of a Fluid Catalytic Cracking Decant Oil Doped with 13C-Enriched 4-Methyldibenzothiophene (1997) (6)
Biogeochemical evidence from OGCP Core 2A sediments for environmental changes preceding deposition of Tuff IB and climatic transitions in Upper Bed I of the Olduvai Basin (2020) (5)
Reply to 'Constraints on hyperthermals' (2012) (5)
Where would we be without the isotopes (2008) (4)
Acid base properties, structons and the thermodynamic properties of silicate melts (2003) (4)
Soil Carbon Loss and Weak Fire Feedbacks During Pliocene C4 Grassland Expansion in Australia (2020) (3)
CARBON ADDITION DURING THE PALEOCENE-EOCENE THERMAL MAXIMUM: MODEL INVERSION OF A NEW, HIGH-RESOLUTION CARBON ISOTOPE RECORD FROM SVALBARD (2010) (3)
Decreased soil carbon in a warming world: Degraded pyrogenic carbon during the Paleocene-Eocene Thermal Maximum, Bighorn Basin, Wyoming (2021) (3)
Soil carbon degradation during the Paleocene-Eocene Thermal Maximum in the Piceance Basin, USA (2021) (3)
Biomarkers Indigenous to Late Archean Rocks (2003) (2)
Biased preservation of Pleistocene climate variability proxies at Olduvai Gorge, Tanzania (2020) (2)
Carbon isotopic heterogeneity of coenzyme F430 and membrane lipids in methane‐oxidizing archaea (2019) (2)
A Fiery Investigation of the Paleocene-Eocene Thermal Maximum (PETM) using Polycyclic Aromatic Hydrocarbons (PAHs): Preliminary Results (2012) (2)
Fossil Leaves and Fossil Leaf n-Alkanes: Reconstructing the First Closed Canopied Rainforests (2013) (2)
Future directions in geobiology and low-temperature geochemistry (2011) (2)
Isotope Ratio Monitoring Gas Chromatography Mass Spectrometry (IRM-GCMS) (1989) (2)
Position-specific isotope fractionation in amino acids sorbed to ice: Implications for the preservation of isotopologue biosignatures (2021) (2)
Microbial Mayhem in the Nascent Chicxulub Crater (2019) (2)
Geomicrobiology and hopanoid content of sulfidic subsurface vent biofilms, Little Salt Spring, Florida (2008) (1)
Volume Editor's Introduction (2013) (1)
Earth science: Controls on isotopic gradients in rain (2014) (1)
High Frequency Trends in the Isotopic Composition of Superstorm Sandy (2015) (1)
Strong correspondence between nitrogen isotope composition of foliage and chlorin across a rainfall gradient: implications for paleo-reconstruction of the nitrogen cycle (2019) (1)
A New Look at Old Carbon (1997) (1)
Dramatic shifts in biomarker carbon isotopic compositions during the Late Ordovician: Evidence for lower than expected pCO2? (2003) (1)
The role of tectonics and hydrothermalism in early human evolution at Olduvai Gorge (2019) (1)
EVIDENCE FOR DISSIMILATORY NITRATE REDUCTION TO AMMONIA BY AQUEOUS BIOFILMS IN THE SULFIDIC CAVES OF FRASASSI , ITALY A (2017) (1)
Journal club (2009) (1)
Data for: Climate, ecology, and the spread of herding in eastern Africa (2018) (1)
Density Functional Theory Predictions of Noncovalent Hydrogen Isotope Effects during Octane Sorption to a Kaolinite Surface (2020) (1)
O14 MARINE ARCHAEA LIPIDS: PATTERNS AND PROVENANCE IN THE WATER- COLUMN (2007) (1)
Orbiting Sample Tiger Team Recommendation on Orbiting Sample Cleanliness. (2021) (1)
The Changing Carbon Cycle: A Terrestrial Focus Report of the Workshop on the Terrestrial Carbon Cycle (2001) (1)
A Modern Analogue for Proterozoic Inverse Carbon Isotope Signatures (2008) (1)
Anaerobic biodegradation of isoprenoid biomarkers (2009) (0)
COMPLEX TRANSPORT OF PERFLUOROOCTANESULFONIC ACID (PFOS) IN A DOLOMITE AQUIFER (2020) (0)
Biogeochemical evidence for Pleistocene environmental changes in lacustrine sediments from Olduvai Gorge, Tanzania (2019) (0)
Revising Estimates of the Methane Production Pathway in Peatland Porewater Using Intramolecular Isotopic Analyses of Acetate (2007) (0)
Environmental change in Kenya following a strong-weak monsoon transition: implications for the Pleistocene paleoenvironmental record (2016) (0)
UNDERSTANDING DRIVERS OF VEGETATION CHANGE IN DHOFAR, OMAN: A BIODIVERSE DRYLAND ECOSYSTEM (2022) (0)
Abstract: The Origin of Lacustrine Petroleum Source Rocks, Congo Basin, West Africa: Preliminary Results of a Multidisciplinary Study (1998) (0)
Organic Geochemistry of the Cretaceous Western Interior Seaway: A Transbasinal Analysis. Stratigraphy and Paleoenvironments of the Western Interior Seaway (1998) (0)
STABLE CARBON ISOTOPIC COMPOSITION OF INDIVIDUAL PRODUCTS FROM FLASH PYROLYSIS OF KEROGENS (2006) (0)
BRIE: The Penn State Biogeochemical Research Initiative for Education (2003) (0)
Mass-Independent Sulfur Isotope Records from the Hamersley Basin Austrlaia (2003) (0)
Bounties from Biomarkers (2009) (0)
1 CLASSIFICATION : Physical Sciences-Earth , Atmospheric , and Planetary Sciences TITLE : The First Day of the Cenozoic (2019) (0)
Compilation of PETM carbonate and isotope data from PETM sections (2018) (0)
SEDIMENTARY BIOMARKERS RECORD ENVIRONMENTAL CHANGES ASSOCIATED WITH SHALLOWING OF PALEOLAKE OLDUVAI (CA. 1.8 MYR) (2016) (0)
MOLECULAR INSIGHTS ON FIRE ECOLOGY AND CARBON CYCLING DURING THE NEOGENE C4 EXPANSION IN AUSTRALIA (2019) (0)
Wetland plant waxes from Olduvai Gorge, Tanzania (2013) (0)
Microbial communities and organic biomarkers in a Proterozoicanalog sinkhole (2017) (0)
Environmental Drivers of the Late Neogene Expansion of C 4 Ecosystems (2019) (0)
Early Cretaceous marine incursions into South Atlantic rift basins originated from the south (2023) (0)
Alkane distribution and carbon isotope composition in fossil leaves: An interpretation of plant physiology in the geologic past (2014) (0)
Signals and Noise in Terrestrial Archives of Organic Carbon: examples from the PETM (2015) (0)
Geoffrey Eglinton (1927–2016) (2016) (0)
TRANSFORMATION IN PHYTOPLANKTON ECOSYSTEMS CAUSED BY RAPID WARMING AND SEA LEVEL RISE IN THE PLEISTOCENE CARIACO BASIN (MIS 9-7) (2019) (0)
SETTING OF USING REMOTE SENSING AND GEOGRAPHICAL INFORMATION SYSTEM TO STUDY THE HYDROLOGY OF THE HIERAKONPOLIS ARECHAEOLOGICAL SITE IN EGYPT (2004) (0)
Paleoceanographic Constraints on the Origin and Early Evolution of the Coccolithophore Emiliania huxleyi (300 kya) (2018) (0)
Study of methodology for petroporphyrin group isolations from shale and petroleum source materials (1986) (0)
Carbonate, stable isotopes, abundance of pyrite and siderite and nannofossil Whole Shield Index during the PETM at Howards Tract core 2 (2018) (0)
The evolution of atmospheric carbon dioxide since the middle Eocene: a biomarker perspective (2004) (0)
MOLECULAR EVIDENCE SUGGESTS AN ACTIVE FIRE-FEEDBACK TRIGGERED LATE MIOCENE C4 GRASSLAND EXPANSION ON THE INDIAN SUBCONTINENT (2017) (0)
Changes in Photosynthetic Microbial Communities in a 'Pink' Soda Bay in the Chicxulub Crater after the K/Pg Extinction (2018) (0)
Evolution: Bird feeder effects (2009) (0)
Microbiology: Malaria adapts to host (2009) (0)
Evidence for globally enhanced microbial activity during the immediate aftermath of the Cretaceous-Paleogene boundary impact (2018) (0)
Reconstructing Paleoaltimetry from D/H Measurements of Lipid Biomarkers (2006) (0)
Chemistry: Fuel cells' future (2009) (0)
(Table 7) d13C values of n-alkanes extracted from sediment samples of ODP Hole 116-717C (2001) (0)
Probing the Isotopic Composition of Surface Waters Across Isotopic Extremes of Cryogenian Carbonates (2012) (0)
Ancient Terrestrial Carbon: Lost and Found (2017) (0)
A BIOMARKER APPROACH TO INTERPRETING PETM ORGANIC CARBON RECORDS (2016) (0)
Landscape patterns from plant biomarkers across early human habitats (ca. 1.845 Ma) (2012) (0)
Quantum mechanical calculation of hydrogen isotope exchange thermodynamics and kinetics on organic compounds (2008) (0)
An Archean Biosphere Initiative (2011) (0)
Carbon Burn-Down in a Greenhouse World: Wildfires and Soil Carbon Loss across the Paleocene-Eocene Thermal Maximum (PETM) (2014) (0)
Carbon and hydrogen isotope composition of plant biomarkers from lake sediments as proxies for precipitation changes across Heinrich Events in the subtropics (2015) (0)
Analysis of Carbon Isotope Excursions Along the Atlantic Coastal Plain During the Paleocene-Eocene Thermal Maximum (2016) (0)
John M. Hayes 1940-2017. Father of isotopes in modern and ancient biogeochemical processes, biosynthetic carbon and hydrogen isotope fractionation and compound specific isotope analytical techniques (2017) (0)
Carbonate, stable isotope data, abundance of pyrite and siderite, pyrite alteration and nannofossil Whole Shield Index during the PETM (2018) (0)
Paleoaltimetry of the Early Miocene-Pliocene Oiyug basin, southern Tibet (2008) (0)
Biogeochemical Proxies of Climatic and Environmental Change from the Sedimentary Record of Paleolake Olduvai ( 1.80 - 1.88 Ma) (2016) (0)
BIOGEOCHEMICAL EVIDENCE OF CHANGE IN DEPOSITIONAL SETTING IN PALEOLAKE OLDUVAI AT ~1.85 MA ASSOCIATED WITH COMPLEX INTERACTIONS OF CLIMATE, TECTONICS, AND VOLCANISM (2018) (0)
Abundances and d13C values of n-alkanes extracted from sediment samples of ODP Hole 116-717C (2001) (0)
THE PETM IN THE COASTAL OCEAN: LINKING TERRESTRIAL DESTABILIZATION AND COASTAL PRODUCTIVITY IN MID-ATLANTIC SEDIMENTS (2017) (0)
Mark pagani: Carbon and ancient climates (2017) (0)
Organic and Isotopic Signatures of Life: Lessons from the Early Earth (2002) (0)
Investigating C 4 Grass Contributions to N-alkane Based Paleoclimate Reconstructions (2014) (0)
boundary Kowala — Holy Cross MountainsrPoland (2001) (0)
Biomarkers and their stable isotopes in Cenozoic sediments above the Chicxulub impact crater (2017) (0)
Modern and Ancient Precipitation O-18/O-16 and D/H Gradients on the Tibetan Plateau (2008) (0)
Results from a Study of Recently Deposited Organic Matter in Sediments of the Santa Barbara Basin (1993) (0)
Microbes in a bottle: Where model organisms and analog systems meet (2015) (0)
Atmospheric CO2 Levels During the Late Miocene and the Expansion of C4 Grasses (1999) (0)
RESPONSE OF THE TERRESTRIAL AND AQUATIC ENVIRONMENTS AT PALEOLAKE OLDUVAI TO PLEISTOCENE PRECIPITATION CHANGES (2018) (0)
(Table 6) Abundances of n-alkanes extracted from sediment samples of ODP Hole 116-717C (2001) (0)
Organic Matter Reponse to Orbital Rhythms at Olduvai Gorge c. 1.80 Ma (2008) (0)
Sedimentary organic molecules: Origins and information content (1991) (0)
Organic Geochemical Perspectives on Hydrothermalism at Olduvai Gorge, 1.7 Mya (2019) (0)
Organic geochemical constraints on paleoelevation (2012) (0)
The PETM in the coastal ocean: changes in redox, productivity, and organic matter sources recorded in mid-Atlantic sediments (2016) (0)
Insights into impact processses and extinction mechanisms from IODP-ICDP Chicxulub crater drilling (2018) (0)
The rise of C4 grassland ecosystems, a climate puzzle (2011) (0)
EROSIONAL ALIASING OF BULK ORGANIC GEOCHEMICAL CLIMATE RECORDS IN A SALINE-ALKALINE PALEOLAKE, OLDUVAI GORGE, TANZANIA (2019) (0)
OCEAN ECOSYSTEM TRANSFORMATION CAUSED BY RAPID WARMING AND SEA LEVEL RISE IN THE PLEISTOCENE CARIACO BASIN ( MIS 9-7 ) (2019) (0)
Some conifer clades contribute substantial amounts of leaf waxes to sedimentary archives (2014) (0)
From Biosignatures to Ecosignatures: A Neoarchean Methylhopane Record of Aerobic Ecosystems (2008) (0)
Local differences in paleohydrology have stronger influence on plant biomarkers than regional climate change across two Paleogene Laramide Basins, Wyoming, USA (2022) (0)
HYDROCARBON GENERATIVE POTENTIAL OF MID-CRETACEOUS STRATA IN SOUTHEASTERN SOUTH DAKOTA AND NORTHWESTERN IOWA (2012) (0)
Carbonate, abundance of pyrite and siderite and nannofossil Whole Shield Index during the PETM at Bass River Site (2018) (0)
Geoffrey Eglinton (1927–2016). (2016) (0)
Sequential measurement of 13 C, 15 N, and 34 S isotopic composition on nanomolar quantities of carbon, nitrogen, and sulfur using nano-elemental analysis/isotope ratio mass spectrometry. (2022) (0)
Methylhopane Biomarker and Carbon Isotopic Evidence for Late Archean Aerobic Ecosystems (2007) (0)
ORGANIC GEOCHEMICAL PROXIES OF CLIMATIC AND ENVIRONMENTAL CHANGE FROM THE SEDIMENTARY RECORD OF OLDUVAI GORGE (~1.85 - 1.88MA) (2016) (0)
M31: The Old Stellar Populations (2000) (0)
Methanosarcina acetivorans Carbon Monoxide Metabolism in Methyl Sulfide Production by a Novel (2013) (0)
Environmental and biosynthetic influences on carbon and hydrogen isotope ratios of leaf wax n-alkanes (2013) (0)
A Discordancy Between Short-Term Sedimentation Rate Using Pb-210, Cs-137 and Pu and Long-Term Sedimentation Rate Using C-14 (2005) (0)
Comparison between two middle to outer neritic PETM sections: South Dover Bridge and Mattawoman Creek Billingsley Road cores, Mid-Atlantic Coastal Plain, USA (2014) (0)
Alkenones in Pleistocene Upper Bed I (1.803–1.900 Ma) sediments from Paleolake Olduvai, Tanzania (2022) (0)
Molecular Proxy Approaches for Paleohydrology (2004) (0)
Insights on Organic Carbon Inputs in the Delaware Estuary from Compound-Specific δ 13 C and ∆ 14 C (2016) (0)
Synchronous Marine and Terrestrial Carbon Cycle Perturbation in the High Arctic During the PETM (2021) (0)
Fate of lignin, cutin and suberin in soil organic matter fractions - an incubation experiment (2010) (0)
MOLECULAR EVIDENCE FOR FIRE AND FOREST CLEARING ASSOCIATED WITH C4 GRASSLAND EXPANSION IN THE LATE MIOCENE (2017) (0)
Planetary science: Titan's tub (2009) (0)
Group Isolation of Nickel and Vanadyl Porphyrins from Crude Oil Using Macroporous Silica Gel (1987) (0)
Preferential retention and transport of perfluorooctanesulfonic acid (PFOS) in a dolomite aquifer. (2022) (0)
Ecological constraints on hydrology in early hominid environments (2010) (0)
Carbon isotopes of plant biomarkers record past changes in the carbon cycle, but separating signal from noise is key to reducing uncertainties (2014) (0)
Carbon and hydrogen isotope composition of plant biomarkers as proxies for precipitation changes across Heinrich Events in the subtropics (2014) (0)

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What Schools Are Affiliated With Katherine H. Freeman?

Katherine H. Freeman is affiliated with the following schools: