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List of works by Robert G. M. Spencer

A Tropical Cocktail of Organic Matter Sources: Variability in Supraglacial and Glacier Outflow Dissolved Organic Matter Composition and Age Across the Ecuadorian Andes

scientific article published in 2023

A new conceptual framework for the transformation of groundwater dissolved organic matter

scientific article published on 20 April 2022

Accumulation of Terrestrial Dissolved Organic Matter Potentially Enhances Dissolved Methane Levels in Eutrophic Lake Taihu, China

scientific article published on 06 September 2018

An Assessment of Dissolved Organic Carbon Biodegradability and Priming in Blackwater Systems

scientific article published in 2018

Ancient low-molecular-weight organic acids in permafrost fuel rapid carbon dioxide production upon thaw

scientific article

Anthropogenic aerosols as a source of ancient dissolved organic matter in glaciers

article

Anthropogenic landcover impacts fluvial dissolved organic matter composition in the Upper Mississippi River Basin

scientific article

Arctic River Dissolved and Biogenic Silicon Exports—Current Conditions and Future Changes With Warming

scientific article published in 2020

Assessing the Role of Photochemistry in Driving the Composition of Dissolved Organic Matter in Glacier Runoff

scientific article published in 2021

Assessing the contribution of wetlands and subsided islands to dissolved organic matter and disinfection byproduct precursors in the Sacramento–San Joaquin River Delta: A geochemical approach

article

Assessing the drivers of dissolved organic matter export from two contrasting lowland catchments, U.K.

scientific article published on 12 July 2016

Assessing the potential impacts of declining Arctic sea ice cover on the photochemical degradation of dissolved organic matter in the Chukchi and Beaufort Seas

scholarly article

Autochthonous dissolved organic matter potentially fuels methane ebullition from experimental lakes

scientific article published on 05 September 2019

Bacteriohopanepolyols in tropical soils and sediments from the Congo River catchment area

Biodegradability of dissolved organic carbon in permafrost soils and aquatic systems: a meta-analysis

article

Biodegradability of dissolved organic carbon in permafrost soils and waterways: a meta-analysis

scholarly article by Jorien E. Vonk et al published 8 June 2015 in Biogeosciences Discussions

Biodegradability of dissolved organic carbon in the Yukon River and its tributaries: Seasonality and importance of inorganic nitrogen

scholarly article by K. P. Wickland et al published 26 September 2012 in Global Biogeochemical Cycles

Biogeochemical Responses to Mixing of Glacial Meltwater and Hot Spring Discharge in the Mount St. Helens Crater

scientific article published in 2022

Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment

article

Changes in groundwater dissolved organic matter character in a coastal sand aquifer due to rainfall recharge

scientific article published on 18 October 2019

Characterisation of treated effluent from four commonly employed wastewater treatment facilities: A UK case study

scientific article published on 10 December 2018

Characterization of dissolved organic matter from source to sea using fluorescence and absorbance spectroscopy

scientific article published on 01 October 2004

Chromophoric dissolved organic matter export from U.S. rivers

scholarly article

Climate Change Impacts on the Hydrology and Biogeochemistry of Arctic Rivers

article

Climatic, land cover, and anthropogenic controls on dissolved organic matter quantity and quality from major alpine rivers across the Himalayan-Tibetan Plateau

scientific article published on 18 September 2020

Comparison of XAD with other dissolved lignin isolation techniques and a compilation of analytical improvements for the analysis of lignin in aquatic settings

Constraining dissolved organic matter sources and temporal variability in a model sub-Arctic lake

scientific article published in 2019

Controls on Riverine Dissolved Organic Matter Composition Across an Arctic‐Boreal Latitudinal Gradient

scientific article published in 2021

Controls on the composition and lability of dissolved organic matter in Siberia's Kolyma River basin

scholarly article

Convergence of Terrestrial Dissolved Organic Matter Composition and the Role of Microbial Buffering in Aquatic Ecosystems

scientific article published in 2019

Correction to "Molecular-Level Composition and Acute Toxicity of Photosolubilized Petrogenic Carbon"

scientific article published on 23 April 2020

DOM composition and transformation in boreal forest soils: The effects of temperature and organic-horizon decomposition state

article

DOM composition in an agricultural watershed: Assessing patterns and variability in the context of spatial scales

article

Deciphering Dissolved Organic Matter: Ionization, Dopant, and Fragmentation Insights via Fourier Transform-Ion Cyclotron Resonance Mass Spectrometry

scientific article published on 19 November 2020

Detecting the signature of permafrost thaw in Arctic rivers

article

Detecting vulnerability of humid tropical forests to multiple stressors

Discriminatory classification of natural and anthropogenic waters in two U.K. estuaries

scientific article

Dissolved Organic Matter Compositional Change and Biolability During Two Storm Runoff Events in a Small Agricultural Watershed

article

Dissolved organic carbon and chromophoric dissolved organic matter properties of rivers in the USA

scholarly article

Diurnal variability in riverine dissolved organic matter composition determined byin situ optical measurement in the San Joaquin River (California, USA)

article

Drivers of Dissolved Organic Matter in the Vent and Major Conduits of the World's Largest Freshwater Spring

scientific article published in 2018

Drivers of Organic Molecular Signatures in the Amazon River

scientific article published in 2021

Du Feu à l'Eau: Source and Flux of Dissolved Black Carbon From the Congo River

scientific article published in 2020

Enhanced trace element mobilization by Earth's ice sheets

scientific article published on 23 November 2020

Enhanced trace element mobilization by Earth’s ice sheets

scientific article

Estimation and Sensitivity of Carbon Storage in Permafrost of North-Eastern Yakutia

article

Evaluating the sources and fate of anthropogenic dissolved inorganic nitrogen (DIN) in two contrasting North Sea estuaries.

scientific article

Evidence for key enzymatic controls on metabolism of Arctic river organic matter

scientific article

Examining Natural Attenuation and Acute Toxicity of Petroleum-Derived Dissolved Organic Matter with Optical Spectroscopy

article

Fluorescence spectroscopy opens new windows into dissolved organic matter dynamics in freshwater ecosystems: A review

scholarly article

Fluorescence-based proxies for lignin in freshwater dissolved organic matter

scholarly article

Flux and Seasonality of Dissolved Organic Matter From the Northern Dvina (Severnaya Dvina) River, Russia

scientific article published in 2018

Freeze/thaw and pH effects on freshwater dissolved organic matter fluorescence and absorbance properties from a number of UK locations

scientific article published on 30 May 2007

Glacier Loss Impacts Riverine Organic Carbon Transport to the Ocean

scientific article published in 2020

Glacier Outflow Dissolved Organic Matter as a Window Into Seasonally Changing Carbon Sources: Leverett Glacier, Greenland

scientific article published in 2020

Glaciers as a source of ancient and labile organic matter to the marine environment

scientific article published in December 2009

Global charcoal mobilization from soils via dissolution and riverine transport to the oceans

scientific article

Gradients of Anthropogenic Nutrient Enrichment Alter N Composition and DOM Stoichiometry in Freshwater Ecosystems

scientific article

Groundwater as a major source of dissolved organic matter to Arctic coastal waters

scientific article published on 20 March 2020

Heterogeneous Patterns of Aged Organic Carbon Export Driven by Hydrologic Flow Paths, Soil Texture, Fire, and Thaw in Discontinuous Permafrost Headwaters

scientific article published in 2022

High biolability of ancient permafrost carbon upon thaw

article

High fire-derived nitrogen deposition on central African forests.

scientific article published on 2 January 2018

How humans alter dissolved organic matter composition in freshwater: relevance for the Earth’s biogeochemistry

scientific article

Hydrocarbons to carboxyl-rich alicyclic molecules: A continuum model to describe biodegradation of petroleum-derived dissolved organic matter in contaminated groundwater plumes

scientific article published on 19 September 2020

Hydrologic and Landscape Controls on Dissolved Organic Matter Composition Across Western North American Arctic Lakes

scientific article published in 2022

Hydrologic connectivity determines dissolved organic matter biogeochemistry in northern high‐latitude lakes

Hydrologic controls on seasonal and inter-annual variability of Congo River particulate organic matter source and reservoir age

scholarly article

Identifying the Molecular Signatures of Agricultural Expansion in Amazonian Headwater Streams

Illuminated darkness: Molecular signatures of Congo River dissolved organic matter and its photochemical alteration as revealed by ultrahigh precision mass spectrometry

Impact of seasonality and anthropogenic impoundments on dissolved organic matter dynamics in the Klamath River (Oregon/California, USA)

scientific article

Improving water quality in China: Environmental investment pays dividends

scientific article

Increasing Alkalinity Export from Large Russian Arctic Rivers

scientific article published on 11 July 2018

Increasing Organic Carbon Biolability With Depth in Yedoma Permafrost: Ramifications for Future Climate Change

scientific article published in 2019

Influences of glacier melt and permafrost thaw on the age of dissolved organic carbon in the Yukon River basin

article

Inorganic carbon speciation and fluxes in the Congo River

article

Isotopic composition of oceanic dissolved black carbon reveals non-riverine source

scientific article published on 07 November 2019

Land-to-ocean fluxes and biolability of organic matter eroding along the Beaufort Sea coast near Drew Point, Alaska

Land-use controls on carbon biogeochemistry in lowland streams of the Congo Basin

scientific article published on 11 January 2020

Life at the Frozen Limit: Microbial Carbon Metabolism Across a Late Pleistocene Permafrost Chronosequence

scientific article published on 29 July 2020

Lignin biogeochemistry: from modern processes to Quaternary archives

scholarly article

Limited Presence of Permafrost Dissolved Organic Matter in the Kolyma River, Siberia Revealed by Ramped Oxidation

scientific article published in 2021

Loss of optical and molecular indicators of terrigenous dissolved organic matter during long-term photobleaching

Low and declining mercury in arctic Russian rivers

scientific article

Low photolability of yedoma permafrost dissolved organic carbon

scholarly article by Aron Stubbins et al published January 2017 in Journal of geophysical research. Biogeosciences

Measurement of dissolved organic matter fluorescence in aquatic environments: an interlaboratory comparison

scientific article

Mercury Export from Arctic Great Rivers

scientific article published on 23 March 2020

Microbial degradation of plant leachate alters lignin phenols and trihalomethane precursors

scientific article published on 13 April 2010

Microbial production and consumption of dissolved organic matter in glacial ecosystems on the Tibetan Plateau

scientific article published on 17 May 2019

Mobilization of aged and biolabile soil carbon by tropical deforestation

scientific article published on 24 June 2019

Molecular Signatures of Biogeochemical Transformations in Dissolved Organic Matter from Ten World Rivers

article

Molecular Signatures of Glacial Dissolved Organic Matter From Svalbard and Greenland

scientific article

Molecular-Level Composition and Acute Toxicity of Photosolubilized Petrogenic Carbon

scientific article published on 26 June 2019

Opportunities for hydrologic research in the Congo Basin

Optical measurements of dissolved organic matter as proxies for CODMn and BOD5 in plateau lakes

scientific article published in May 2024

Organic Molecular Signatures of the Congo River and Comparison to the Amazon

scientific article published in 2022

Organic matter sources, fluxes and greenhouse gas exchange in the Oubangui River (Congo River basin)

article

Pan-Arctic Trends in Terrestrial Dissolved Organic Matter from Optical Measurements

article

Pan‐Arctic Riverine Dissolved Organic Matter: Synchronous Molecular Stability, Shifting Sources and Subsidies

scientific article

Paradigm shifts in soil organic matter research affect interpretations of aquatic carbon cycling: transcending disciplinary and ecosystem boundaries

article

Particulate organic carbon and nitrogen export from major Arctic rivers

article

Photochemical degradation of dissolved organic matter and dissolved lignin phenols from the Congo River

scholarly article

Properties of sediment dissolved organic matter respond to eutrophication and interact with bacterial communities in a plateau lake

scientific article

Rainstorm events shift the molecular composition and export of dissolved organic matter in a large drinking water reservoir in China: High frequency buoys and field observations

scientific article published on 28 September 2020

Rebuttal to Comment on “Examining Natural Attenuation and Acute Toxicity of Petroleum-Derived Dissolved Organic Matter with Optical Spectroscopy”

article

Response of chromophoric dissolved organic matter dynamics to tidal oscillations and anthropogenic disturbances in a large subtropical estuary

scientific article published on 24 January 2019

Seasonal and spatial variability in dissolved organic matter quantity and composition from the Yukon River basin, Alaska

article

Seasonal dynamics of dissolved, particulate and microbial components of a tidal saltmarsh-dominated estuary under contrasting levels of freshwater discharge

scientific article published on 09 September 2016

Seasonal hydrology drives rapid shifts in the flux and composition of dissolved and particulate organic carbon and major and trace ions in the Fraser River, Canada

article

Selective Leaching of Dissolved Organic Matter From Alpine Permafrost Soils on the Qinghai‐Tibetan Plateau

scientific article published in 2018

Source, transport and fate of soil organic matter inferred from microbial biomarker lipids on the East Siberian Arctic Shelf

article

Source, transport and fate of soil organic matter inferred from microbial biomarker lipids on the East Siberian Arctic Shelf

preprint

Spatial Variation in the Origin of Dissolved Organic Carbon in Snow on the Juneau Icefield, Southeast Alaska

scientific article published on 8 September 2015

Stormflows Drive Stream Carbon Concentration, Speciation, and Dissolved Organic Matter Composition in Coastal Temperate Rainforest Watersheds

scientific article published in 2020

Stream Dissolved Organic Matter in Permafrost Regions Shows Surprising Compositional Similarities but Negative Priming and Nutrient Effects

scientific article

Sulfur isotopes in rivers: Insights into global weathering budgets, pyrite oxidation, and the modern sulfur cycle

scholarly article by Andrea Burke et al published August 2018 in Earth and Planetary Science Letters

Supplementary material to "Source, transport and fate of soil organic matter inferred from microbial biomarker lipids on the East Siberian Arctic Shelf"

Temporal and Longitudinal Mercury Trends in Burbot (Lota lota) in the Russian Arctic.

scientific article published on 30 October 2017

Terrestrial carbon inputs to inland waters: A current synthesis of estimates and uncertainty

scientific article published on 30 November 2017

Terrestrial dissolved organic matter inputs drive the temporal dynamics of riverine bacterial ecological networks and assembly processes

scientific article published in February 2024

The Ephemeral Signature of Permafrost Carbon in an Arctic Fluvial Network

scientific article published in 2018

The Genesis and Exodus of Vascular Plant DOM from an Oak Woodland Landscape

article

The Molecular Composition of Humic Substances Isolated From Yedoma Permafrost and Alas Cores in the Eastern Siberian Arctic as Measured by Ultrahigh Resolution Mass Spectrometry

scientific article published in 2019

The Pulse of the Amazon: Fluxes of Dissolved Organic Carbon, Nutrients, and Ions From the World's Largest River

scholarly article

The Transformation and Export of Organic Carbon Across an Arctic River‐Delta‐Ocean Continuum

scientific article published in 2022

The biogeochemistry of carbon across a gradient of streams and rivers within the Congo Basin

The evolution of stream dissolved organic matter composition following glacier retreat in coastal watersheds of southeast Alaska

scientific article published in 2021

The role of hydrologic regimes on dissolved organic carbon composition in an agricultural watershed

article

Tracing organic matter removal in polluted coastal waters via floating bed phytoremediation.

scientific article published on 18 April 2013

Trapped Under Ice: Spatial and Seasonal Dynamics of Dissolved Organic Matter Composition in Tundra Lakes

scientific article published in 2022

Unifying concepts linking dissolved organic matter composition to persistence in aquatic ecosystems.

scientific article published on 2 February 2018

Utilization of ancient permafrost carbon in headwaters of Arctic fluvial networks

scientific article

Utilizing chromophoric dissolved organic matter measurements to derive export and reactivity of dissolved organic carbon exported to the Arctic Ocean: A case study of the Yukon River, Alaska

article

Utilizing colored dissolved organic matter to derive dissolved black carbon export by arctic rivers

article

Variability in Dissolved Organic Matter Composition and Biolability across Gradients of Glacial Coverage and Distance from Glacial Terminus on the Tibetan Plateau

scientific article published on 07 October 2019

Variability in aerobic methane oxidation over the past 1.2Myrs recorded in microbial biomarker signatures from Congo fan sediments

scholarly article

Water-soluble organic carbon release from mineral soils and sediments in an irrigated agricultural system

scientific article published in 2023