Abstract. While the entire Arctic Ocean is warming rapidly, Barents Sea in particular experiencing significant and sea ice retreat. An increase ocean heat transport from Atlantic causing to be transformed a cold, salinity-stratified system into warmer, less-stratified Atlantic-dominated climate regime. Productivity shelf fuelled by waters of origin (AW) which are ultimately exported Basin. The ...

The effect of fluctuating seasonal temperatures on the release of soluble NO3-N, NHJ-N, soluble organic N (SON), and solube organic C (SOC) into drainage effluent during soil organic matter mineralization was measured on organic soil profiles obtained intact from various locations in Florida. Soil columns were leached once every 25 days, followed by applying a suction of 100 cm. Soil columns we...

The effects of coastal embankments on nitrogen (N) cycling in the Spartina alterniflora salt marsh have been extensively reported. However, it remains unclear embankment sizes diverse N subpools plant-soil subsystems year-round. This study examined seasonal changes various plant subsystems; soil [e.g., organic (SON), recalcitrant (RON), labile (LON), dissolved (DON), ammonium N(NH+4 N), and nit...

Marine pockmarks are globally widespread seabed depressions, conventionally thought to be formed by the accumulation and expulsion of microbial thermogenic gas. However, other putative fluids processes have been implicated in pockmark formation gas escape atmosphere may underestimated. Given complex spectrum aquatic settings, morphologies sizes, there also exist a physical, chemical biological ...

Aim: Most studies on the effect of produced water are centred effects physicochemical parameters recipient environment, but not much has been conducted biogeochemical processes such as nitrogen cycle. This study aims to determine median lethal concentration (LC50) that would cause mortality 50% exposed population Nitrosomonas sp. (test organism) which is involved in ammonification step Nitrogen...

Ice–rich Pleistocene permafrost deposits (Yedoma) store large amounts of nitrogen (N) and are susceptible to rapid thaw. In this study, we assess whether eroding Yedoma potential sources N gaseous carbon (C) losses. Therefore, determined aerobic net ammonification nitrification, as well anaerobic production nitrous oxide (N2O), dioxide (CO2), methane (CH4) in laboratory incubations. Samples wer...

Abstract Marine macroalgae are a key primary producer in coastal ecosystems, but often overlooked blue carbon inventories. Large quantities of macroalgal detritus deposit on beaches, the fate wrack (C) is little understood. If most respired back to CO 2 , there would be no net sequestration. However, if converted bicarbonate (alkalinity) or refractory DOC, deposition represent sequestration at ...

Losses of phosphorus from soil to surface waters in agricultural areas have been linked substantial declines water quality. Riparian wetlands can potentially intercept mobilized upland soils before it reaches connecting waterways, but the capacity buffer against downstream losses P is poorly understood, especially northern temperate zones. In these regions, spring freshet releases large volumes...