Journal of Geophysical Research: Biogeosciences Archives - Page 18 of 25

Researchers examine the link between drowned river deltas and methane emissions, and how they might be affected by rising sea levels

Research Spotlights

Rising Seas Increase Methane Emissions from the Mouths of Rivers

by E. Underwood 2 August 201819 September 2023

Drowned river deltas exhale large quantities of greenhouse gas, new study finds.

A new 10-year study investigates how insect infestations can affect the forest carbon cycle

Research Spotlights

Insect Infestations Alter Forest Carbon Cycle

by Aaron Sidder 30 July 201811 January 2022

A hemlock woolly adelgid outbreak in southern Appalachia prompted a transformation in where the forest stores carbon.

Researchers examine how the rapid spread of invasive freshwater mussels affects estuary sediments

Research Spotlights

Invasive Freshwater Mussels Drive Changes in Estuary Sediments

by Aaron Sidder 24 July 20182 March 2023

The golden mussel has spread quickly in the 30 years since its arrival in South America and is transforming aquatic ecosystems in waterways across the continent.

Researchers sample glacial meltwater plumes to examine their role in nutrient transport

Research Spotlights

Glacial Meltwater Plumes Support Greenland Phytoplankton Blooms

by Terri Cook 17 July 201811 January 2022

Field measurements from the Bowdoin Glacier show that entrainment of deep water into upwelling glacial discharge delivers crucial nutrients to the surface of the surrounding fjord.

Editors' Highlights

Seasonal Leaf Production Is Key Control on Amazon Carbon Balance

by G. Vourlitis 12 July 20186 March 2023

Characterizing leaf phenology in process-based models reconciles both “dry season green-up” and drought controls on Amazonian carbon balance.

Researchers examine the impact of increased precipitation on lake water clarity.

Research Spotlights

Dark and Stormy: How More Rainfall Leads to Warm and Murky Lakes

by Terri Cook 2 July 2018

Reduced clarity in two northeastern Pennsylvania lakes has resulted in warmer surface water and cooler bottom water despite stable regional air temperatures during the past 3 decades.

Researchers use remote sensing to track how vegetation affects dissolved organic carbon in waterways

Research Spotlights

Refining Remote Sensing of Dissolved Organic Carbon in Waterways

by E. Underwood 22 June 20186 January 2023

Nearby vegetation affects the color of organic matter, a new study finds.

Editors' Vox

Exploring a More Dynamic Arctic Icescape

by M. A. Granskog 22 June 20189 August 2022

A joint special issue presents new findings from a field campaign in the Arctic Ocean which highlights key processes that need to be taken into account to predict the future of the Arctic ice pack.