Institute of Oceanology

Energetic near-inertial waves induced by winter storms and mesoscale eddies in the subtropical Northwestern Pacific Ocean

Abstract. Near-inertial waves (NIWs) play a fundamental role in transferring wind energy into the ocean interior and sustaining diapycnal mixing, yet their wintertime characteristics and interactions with mesoscale eddies remain insufficiently understood. Using subsurface mooring...

Machine Learning Guided Broadleaf‐Inspired Reconfigurable Triboelectric Array for Space‐Efficient Ocean Current Energy Harvesting and Antifouling

ABSTRACT Ocean currents represent a stable source of blue energy. Flag‐type triboelectric nanogenerators (F‐TENGs), which have been widely investigated for harvesting energy from low‐velocity ocean currents, generally rely on bluff body to induce vortex. This dependence limits th...

Integrated retrieval of ocean surface wind and current fields from single-geometry SAR observations through a physically constrained Bayesian framework

Ocean surface winds and currents are coupled through air–sea interaction but are commonly retrieved independently from spaceborne synthetic aperture radar (SAR). For operational single-geometry SAR, simultaneous wind–current retrieval is underdetermined and remains reliant on bac...

In situ evidence of tiered adaptations buffering a chemosynthetic clam holobiont against environmental sulfide fluctuations

Deep-sea holobionts adapt to extreme environmental fluctuations, but the molecular mechanisms underlying resilience remain poorly understood. We investigated the vesicomyid clam Archivesica marissinica and its sulfur-oxidizing symbionts during sulfide shortage via in situ transpl...

Assessment and projection of mangrove blue carbon sink along the Guangdong coastline: integrating remote sensing and modeling techniques

Mangrove ecosystems along the Guangdong coastline serve as a vital blue carbon sink, yet their carbon sequestration potential under changing climatic conditions requires rigorous assessment and forward-looking evaluation. This study develops an integrated framework combining remo...

Bacterial Diversity and Community Assembly in Deep-Sea Sediments: Observations from the Philippine Sea

Microorganisms are important components of marine ecosystems and are widely distributed across global marine sediments. Although studies on microbial communities in deep-sea sediments have been increasing worldwide, research in the Philippine Sea is still at an early stage. In th...

Decomposition of phengite from residual subducted slabs enhancing lithospheric tin mineralization: Insights from K–Li–Nd isotopes

The sources and roles of volatiles in tin (Sn)-related magmatic systems remain controversial. We present integrated K–Li–Nd isotopic, trace element, and volatile data from Late Cretaceous Xishan Sn-mineralized granites in the southern margin of the South China Block to constrain...

Stoichiometric deviation and regulatory mechanisms of AOU–nutrient ratio in the oligotrophic Northwest Pacific Ocean

In oligotrophic oceans, the stoichiometric ratios of apparent oxygen utilization (AOU) to nutrients often deviate from the classical Redfield ratio, yet the mechanisms remain poorly constrained. Contrary to the commonly held view that these ratios are typically elevated, we found...

Mitochondrial genetic diversity, population structure and late Pleistocene demographic expansion of Evynnis cardinalis in the northern South China Sea

Understanding how historical processes and contemporary oceanography shape population connectivity and demographic dynamics is essential for effective management of coastal marine fishes. In this study, we investigated the genetic diversity, population structure, and demographic...

Transcriptomic Analysis of Somatic In Situ Regeneration in Green Macroalga Ulva prolifera (Ulvophyceae, Chlorophyta)

Somatic in situ regeneration (SISR) is a unique reproductive mode of the green-tide-forming alga Ulva prolifera. Based on reproductive and developmental characteristics, a previous study has speculated that SISR represents an early evolutionary form of somatic embryogenesis (SE)...

Networks and genome-resolved analyses reveal persistent particle-mediated coupling between prokaryotes and eukaryotic plankton

Interactions between bacterioplankton and eukaryotic plankton are often inferred from short-lived algal blooms, leaving it unclear whether coupling persists under natural seasonal variability and which traits sustain it. We conducted seasonal sampling of coastal seawater over an...

Diagnosing CESM2 Biases in Northwest Indian Ocean Warming and Its Implications for India Summer Monsoon Precipitation

Abstract Declining monsoon rainfall over agriculture‐dependent Eastern Central India (ECI) during 1901–2014 threatens regional food and water security. Observations link ECI drying to rapid Northwest Indian Ocean (NWIO) warming, which weakens monsoon circulation. However, the wid...

ExMODE: A comprehensive resource for extremophile genomic and functional exploration

ExMODE (https://db.genomics.cn/exmode/) integrates 3518 samples to build a unified extremophile resource, which hosts 1.35 billion habitat-specific non-redundant genes, 5.25 million representative protein structures, 67,026 metagenome-assembled genomes (MAGs), and 164,132 biosynt...

Sustained algal-bacterial interactions promote accumulation of recalcitrant particulate carbon with accelerated radiocarbon aging signatures

Algal-bacterial interactions regulate the production and fate of marine particulate organic carbon (POC), yet their capacity to generate long-lived carbon sinks remains unclear. Using a two-year, nutrient-self-sustaining co-culture of Synechococcus and its mutualistic microbiota,...

Six-fold reduction in ocean heat content estimate uncertainty since 1960

Abstract Ocean heat content (OHC) dominates Earth’s energy imbalance, but its uncertainty has not been fully understood. Here, we construct a Large-Ensemble to comprehensively quantify the OHC uncertainty from global to regional scales since 1955, and consider eight groups of err...

New species and suborder records reveal unusually high thaliacean (Chordata, Tunicata) diversity in the South China Sea

In the context of global biodiversity decline, the monitoring and assessment of marine biodiversity have gained increasing importance. Thaliacea, a group of filter-feeding gelatinous zooplankton, play crucial roles in the carbon cycle and pelagic food webs, yet their diversity re...

Intraseasonal variability and eddy-induced structural modulation of the North Pacific intermediate water revealed by multi-mooring observations

Abstract. The North Pacific Intermediate Water (NPIW) plays a crucial role in modulating oceanic thermohaline circulation and biogeochemical processes. However, limited continuous observations have hindered the understanding of its short-term variability and structural response t...

A Novel n-Hexadecane-Degrading Bacterium Provisionally Named “Thermalkanevorax longiformis” Isolated from a Deep-Sea Hydrothermal Vent

Hydrothermal systems contain diverse alkanes derived from biological and geological processes, providing potential carbon and energy sources for microorganisms. However, cultivated thermophilic alkane-utilizing bacteria from hydrothermal environments remain poorly characterized....

La Niña’s longevity shapes Bering Sea ice fate

Abstract La Niña events vary widely in duration, from single-year to multi-year. However, their influence on Bering Sea ice concentration remains unclear. Here, we show that single-year and multi-year La Niña events produce contrasting impacts on spring Bering Sea ice concentrati...

Wintertime organic carbon export provides a potential food source for zooplankton in the High Arctic

Abstract Pulsed particulate organic carbon export plays a vital role in sustaining Arctic marine ecosystems and the biological pump. Wintertime particulate organic carbon export in ice-covered Arctic waters is generally considered negligible due to light-limited local primary pro...