Arnoud Boom
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View article: Combined genetic and chemical methods boost the precision of tracing illegal timber in Central Africa
Combined genetic and chemical methods boost the precision of tracing illegal timber in Central Africa Open
View article: Corals Ba/Ca records uncover mid-twentieth century onset of land use change associated with industrial deforestation in Malaysian Borneo
Corals Ba/Ca records uncover mid-twentieth century onset of land use change associated with industrial deforestation in Malaysian Borneo Open
View article: Timing of peat initiation across the central Congo Basin
Timing of peat initiation across the central Congo Basin Open
The central Congo Basin contains the world’s most extensive tropical peatland complex, spanning 16.7 million hectares. Until now, radiocarbon dating of basal peats has been limited to 14 samples with poor spatial coverage, and suggested th…
View article: Tree ring isotopes reveal an intensification of the hydrological cycle in the Amazon
Tree ring isotopes reveal an intensification of the hydrological cycle in the Amazon Open
Over recent decades the Amazon region has been exposed to large-scale land-use changes and global warming. How these changes affect Amazonia’s hydrological cycle remains unclear as meteorological data are scarce. We use tree ring oxygen is…
View article: Evaluating the potential of oxygen isoscapes for tropical timber tracing
Evaluating the potential of oxygen isoscapes for tropical timber tracing Open
View article: High-resolution analysis of the varved succession at Crawford lake across the base of the proposed Crawfordian stage and Anthropocene series
High-resolution analysis of the varved succession at Crawford lake across the base of the proposed Crawfordian stage and Anthropocene series Open
Four years after the Anthropocene Working Group (AWG) voted to work toward defining the Anthropocene series/epoch with a base in the mid-20th C, the varved sediments of Crawford Lake (Milton, ON, Canada) were selected as the Global boundar…
View article: Widespread carbon-dense peatlands in the Colombian lowlands
Widespread carbon-dense peatlands in the Colombian lowlands Open
Peatlands are some of the world’s most carbon-dense ecosystems and release substantial quantities of greenhouse gases when degraded. However, conserving peatlands in many tropical areas is challenging due to limited knowledge of their dist…
View article: The temperature dependence of greenhouse gas production from Central African savannah soils
The temperature dependence of greenhouse gas production from Central African savannah soils Open
Savannahs cover 20 % of the global land surface, but there have been few studies of greenhouse gas (GHG) dynamics from savannah soils. Here, we assess potential turnover of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) from s…
View article: Paired coral Sr/Ca and δ18O records reveal increasing ENSO influence on Malaysian Borneo's hydroclimate
Paired coral Sr/Ca and δ18O records reveal increasing ENSO influence on Malaysian Borneo's hydroclimate Open
The El Niño Southern Oscillation (ENSO) is a worldwide climate phenomenon impacting temperatures and precipitation regimes across the globe. Previous studies have shown this climate phenomenon to influence Malaysian Borneo's hydroclimate. …
View article: Corals Ba/Ca records uncover mid-20th century onset of industrial deforestation in Malaysian Borneo
Corals Ba/Ca records uncover mid-20th century onset of industrial deforestation in Malaysian Borneo Open
The increasing demand for wood, pasture, and palm oil drives deforestation and stands as the largest threats to rainforests. Whilst many consequences of deforestation are well understood, the effects on coastal ecosystems remain less clear…
View article: Tropical forcing and ENSO dominate Holocene climates in South Africa's southern Cape
Tropical forcing and ENSO dominate Holocene climates in South Africa's southern Cape Open
This paper explores the Holocene climatic dynamics of South Africa's southern Cape, a region that supports a large proportion of the Greater Cape Floristic Region and contains an array of important archaeological sites. While South African…
View article: Deciphering Congo Peat Chemistry; Using Plants to Understand the Peat.
Deciphering Congo Peat Chemistry; Using Plants to Understand the Peat. Open
The chemistry of tropical peat has been shown to vary significantly according to differences in plant litter chemistry and hence the composition of the peat-forming vegetation. In the Central Congo peatlands, peat forms under two forest ty…
View article: Reconstructing the Indonesian Throughflow variability and its climatology using long corals from the North-western coast of Australia
Reconstructing the Indonesian Throughflow variability and its climatology using long corals from the North-western coast of Australia Open
The Indonesian Throughflow (ITF) is the primary tropical current, which transfers heat and salinity to the tropics and extratropics region. Crucial to the global ocean circulation system, the ITF is a major component of the tropical and gl…
View article: Paired coral Sr/Ca and δ18O records reveal increasing ENSO influence on Malaysian Borneo’s hydroclimate
Paired coral Sr/Ca and δ18O records reveal increasing ENSO influence on Malaysian Borneo’s hydroclimate Open
The El Niño Southern Oscillation (ENSO) is a worldwide climate phenomenon impacting temperatures and precipitation regimes in Australia, Southeast Asia, and America. Previous studies have shown this climate phenomenon and the IndoR…
View article: A 335-year Coral-Based Reconstruction of Sea Surface Temperature along the Route of the Northeast Madagascar Current in the Tropical Southwestern Indian Ocean
A 335-year Coral-Based Reconstruction of Sea Surface Temperature along the Route of the Northeast Madagascar Current in the Tropical Southwestern Indian Ocean Open
Over the past century, the Indian Ocean stands out as the fastest warming ocean in the world. Yet, the southwestern Indian Ocean (SWIO) faces challenges in acquiring in-situ observational data, both spatially and temporally. The limited av…
View article: Evaluating the Potential of Oxygen Isoscapes for Tropical Timber Tracing
Evaluating the Potential of Oxygen Isoscapes for Tropical Timber Tracing Open
View article: Simulating carbon accumulation and loss in the central Congo peatlands
Simulating carbon accumulation and loss in the central Congo peatlands Open
Peatlands of the central Congo Basin have accumulated carbon over millennia. They currently store some 29 billion tonnes of carbon in peat. However, our understanding of the controls on peat carbon accumulation and loss and the vulnerabili…
View article: Linking upwelling intensity and orbital-scale climate variability in South Africa's winter rainfall zone: Insights from a ∼70,000-year hyrax midden record
Linking upwelling intensity and orbital-scale climate variability in South Africa's winter rainfall zone: Insights from a ∼70,000-year hyrax midden record Open
View article: A ca. 39,000-year record of vegetation and climate change from the margin of the Namib Sand Sea
A ca. 39,000-year record of vegetation and climate change from the margin of the Namib Sand Sea Open
This paper presents the first continuous multi-proxy record of climate and vegetation change from the central Namib Desert extending over much of the last ca. 39,000 years. Derived from rock hyrax middens, evidence from stable carbon and n…
View article: Stable isotope ratios in wood show little potential for sub-country origin verification in Central Africa
Stable isotope ratios in wood show little potential for sub-country origin verification in Central Africa Open
View article: Massive corals record deforestation in Malaysian Borneo through sediments in river discharge
Massive corals record deforestation in Malaysian Borneo through sediments in river discharge Open
Logging of tropical primary forests is a widely acknowledged global issue threatening biodiversity hotspots and indigenous communities leading to significant land erosion and decreased soil stability. The downstream effects of logging on h…
View article: Genesis and development of an interfluvial peatland in the central Congo Basin since the Late Pleistocene
Genesis and development of an interfluvial peatland in the central Congo Basin since the Late Pleistocene Open
View article: Environmental controls over greenhouse gas production from the Central African peatland complex
Environmental controls over greenhouse gas production from the Central African peatland complex Open
The Cuvette Centrale peatland complex is one of the world’s most important carbon stores, and spans the Republic of Congo and Democratic Republic of Congo, storing approximately 30.6 Pg C. However, despite significant carbon storage,…
View article: Integrated stratigraphical study of the Rhuddanian-Aeronian (Llandovery, Silurian) boundary succession in the Rheidol Gorge, Wales: a proposed Global Stratotype Section and Point for the base of the Aeronian Stage
Integrated stratigraphical study of the Rhuddanian-Aeronian (Llandovery, Silurian) boundary succession in the Rheidol Gorge, Wales: a proposed Global Stratotype Section and Point for the base of the Aeronian Stage Open
The Rheidol Gorge section, approximately 17 km east of Aberystwyth, mid Wales, exposes a ca. 20 m-thick succession of Llandovery (Silurian) strata from the upper Rhuddanian Pernerograptus revolutus Biozone through the lower Aeronian Demira…
View article: North Flinders Reef (Coral Sea, Australia) <i>Porites</i> sp. corals as a candidate Global boundary Stratotype Section and Point for the Anthropocene series
North Flinders Reef (Coral Sea, Australia) <i>Porites</i> sp. corals as a candidate Global boundary Stratotype Section and Point for the Anthropocene series Open
Corals are unique in the suite of proposed Anthropocene Global Boundary Stratotype Section and Point (GSSP) archives, as living organisms that produce aragonite exoskeletons preserved in the geological record that contain highly accurate a…
View article: The varved succession of Crawford Lake, Milton, Ontario, Canada as a candidate Global boundary Stratotype Section and Point for the Anthropocene series
The varved succession of Crawford Lake, Milton, Ontario, Canada as a candidate Global boundary Stratotype Section and Point for the Anthropocene series Open
An annually laminated succession in Crawford Lake, Ontario, Canada is proposed for the Global boundary Stratotype Section and Point (GSSP) to define the Anthropocene as a series/epoch with a base dated at 1950 CE. Varve couplets of organic…
View article: Comment on bg-2022-235
Comment on bg-2022-235 Open
Abstract. Logging of tropical primary forests is a widely acknowledged global issue threatening biodiversity hotspots and indigenous communities leading to significant land erosion and decreased soil stability. The downstr…
View article: Comment on bg-2022-235
Comment on bg-2022-235 Open
Abstract. Logging of tropical primary forests is a widely acknowledged global issue threatening biodiversity hotspots and indigenous communities leading to significant land erosion and decreased soil stability. The downstr…
View article: A paleothermometer for the northern Andes based on C<sub>3</sub>–C<sub>4</sub> grass phytoliths
A paleothermometer for the northern Andes based on C<sub>3</sub>–C<sub>4</sub> grass phytoliths Open
Grass-dominated ecosystems cover ~40% of Earth's terrestrial surface, with tropical grasses accounting for ~20% of global net primary productivity. C 3 (cool/temperate) and C 4 (tropical and subtropical) grass distribution is driven primar…
View article: The San Francisco Estuary, USA as a reference section for the Anthropocene series
The San Francisco Estuary, USA as a reference section for the Anthropocene series Open
A San Francisco Estuary core was analysed at high resolution to assess its component stratigraphic signatures of the Anthropocene in the form of non-native species, Hg, spheroidal carbonaceous particles, δ 13 C org , δ 15 N, radiogenic mat…