Visible spectroscopy reliably tracks trends in paleo-production

N Michelutti, JP Smol - Journal of Paleolimnology, 2016 - Springer
We review the use of visible range spectroscopy (VRS) to measure concentrations of
chlorophyll a and its degradation products (collectively classified as chlorins) from lake …

Spectrocolorimetric interpretation of sedimentary dynamics: The new “Q7/4 diagram”

M Debret, D Sebag, M Desmet, W Balsam… - Earth-Science …, 2011 - Elsevier
Colour is a fundamental property of sediment and is often used for lithographic description to
determine sedimentological structures, facies etc. However, the sedimentary information …

Legacy of a half century of Athabasca oil sands development recorded by lake ecosystems

J Kurek, JL Kirk, DCG Muir, X Wang… - Proceedings of the …, 2013 - National Acad Sciences
The absence of well-executed environmental monitoring in the Athabasca oil sands (Alberta,
Canada) has necessitated the use of indirect approaches to determine background …

Do spectrally inferred determinations of chlorophyll a reflect trends in lake trophic status?

N Michelutti, JM Blais, BF Cumming… - Journal of …, 2010 - Springer
Visible reflectance spectroscopy (VRS) has been used to reconstruct lake sediment
chlorophyll a concentrations. Despite good concordance between inferred and measured …

Over three millennia of mercury pollution in the Peruvian Andes

CA Cooke, PH Balcom, H Biester… - Proceedings of the …, 2009 - National Acad Sciences
We present unambiguous records of preindustrial atmospheric mercury (Hg) pollution,
derived from lake-sediment cores collected near Huancavelica, Peru, the largest Hg deposit …

Muted multidecadal climate variability in central Europe during cold stadial periods

F Sirocko, A Martínez-García, M Mudelsee, J Albert… - Nature …, 2021 - nature.com
During the last ice age, the Northern Hemisphere experienced a series of abrupt millennial-
scale climatic changes linked to variations in the strength of the Atlantic Meridional …

Hyperspectral imaging spectroscopy: a promising method for the biogeochemical analysis of lake sediments

C Butz, M Grosjean, D Fischer… - Journal of Applied …, 2015 - spiedigitallibrary.org
We investigate the potential of hyperspectral imaging spectrometry for the analysis of fresh
sediment cores. A sediment-core-scanning system equipped with a camera working in the …

Climate variability promotes unprecedented cyanobacterial blooms in a remote, oligotrophic Ontario lake: evidence from paleolimnology

EJ Favot, KM Rühland, AM DeSellas, R Ingram… - Journal of …, 2019 - Springer
Abstract Dickson Lake, located in Algonquin Provincial Park, Ontario, is a remote,
oligotrophic lake, where cyanobacterial blooms of the genus Dolichospermum (Ralfs ex …

[HTML][HTML] A high-resolution record of Holocene primary productivity and water-column mixing from the varved sediments of Lake Żabińskie, Poland

PD Zander, M Żarczyński, H Vogel, W Tylmann… - Science of the total …, 2021 - Elsevier
Eutrophication and anoxia are increasing in lakes worldwide. However, our understanding
of variations of primary productivity and anoxia in lakes over thousands of years is limited …

An assessment of chlorophyll preservation in lake sediments using multiple analytical techniques applied to the annually laminated lake sediments of Nylandssjön

J Rydberg, CA Cooke, J Tolu, AP Wolfe… - Journal of …, 2020 - Springer
Chlorophyll is frequently used as a proxy for autochthonous production in lakes. This use of
chlorophyll concentrations in sediments to infer historical changes in lake primary …