Sulfur cycling in oceanic oxygen minimum zones

CM Callbeck, DE Canfield… - Limnology and …, 2021 - Wiley Online Library
The sulfur cycle is an important, although understudied facet of today's modern oxygen
minimum zones (OMZs). Sulfur cycling is most active in highly productive coastal OMZs …

System controls of coastal and open ocean oxygen depletion

GC Pitcher, A Aguirre-Velarde, D Breitburg… - Progress in …, 2021 - Elsevier
The epoch of the Anthropocene, a period during which human activity has been the
dominant influence on climate and the environment, has witnessed a decline in oxygen …

Impacts of E l N iño events on the P eruvian upwelling system productivity

D Espinoza‐Morriberón, V Echevin… - Journal of …, 2017 - Wiley Online Library
Abstract Every 2–7 years, El Niño events trigger a strong decrease in phytoplankton
productivity off Peru, which profoundly alters the environmental landscape and trophic chain …

Recent deoxygenation of Patagonian fjord subsurface waters connected to the Peru–Chile undercurrent and equatorial subsurface water variability

P Linford, I Pérez‐Santos, I Montes… - Global …, 2023 - Wiley Online Library
In recent decades, global dissolved oxygen (DO) measurements have registered a decrease
of∼ 1%–2% in oxygen content, raising concerns regarding the negative impacts of ocean …

Global perspectives on observing ocean boundary current systems

RE Todd, FP Chavez, S Clayton, S Cravatte… - Frontiers in Marine …, 2019 - frontiersin.org
Ocean boundary current systems are key components of the climate system, are home to
highly productive ecosystems, and have numerous societal impacts. Establishment of a …

Oxygen variability during ENSO in the tropical South Eastern Pacific

D Espinoza-Morriberón, V Echevin, F Colas… - Frontiers in Marine …, 2019 - frontiersin.org
The Oxygen Minimum Zone (OMZ) of the Tropical South Eastern Pacific (TSEP) is one of the
most intensely deoxygenated water masses of the global ocean. It is strongly affected at …

Bottom-water hypoxia in the Paracas Bay (Peru, 13.8° S) associated with seasonal and synoptic time scale variability of winds and water stratification

L Merma-Mora, F Colas, J Cardich, S Sánchez… - Journal of Marine …, 2024 - Elsevier
Coastal hypoxia can occur naturally in inshore areas of the Eastern Boundary Upwelling
Systems, influenced by the nutrient-rich and low-oxygen upwelling waters. This study aims …

The intensification of coastal hypoxia off central Chile: Long term and high frequency variability

L De La Maza, L Farías - Frontiers in Earth Science, 2023 - frontiersin.org
Hypoxia is a phenomenon where dissolved oxygen (DO) is reduced to levels that are low
enough to strongly affect ecological and biogeochemical processes. This occurs within the …

Observed El Niño conditions in the eastern tropical Pacific in October 2015

L Stramma, T Fischer, DS Grundle, G Krahmann… - Ocean …, 2016 - os.copernicus.org
A strong El Niño developed in early 2015. Measurements from a research cruise on the R/V
Sonne in October 2015 near the Equator east of the Galapagos Islands and off the shelf of …

Multidisciplinary observing in the world ocean's oxygen minimum zone regions: from climate to fish—the VOICE Initiative

V Garçon, J Karstensen, A Palacz… - Frontiers in Marine …, 2019 - frontiersin.org
Multidisciplinary ocean observing activities provide critical ocean information to satisfy ever-
changing socioeconomic needs and require coordinated implementation. The upper …