RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 documents 34 sections 43,623 citations 34,854 keywords indexed 4 evidence tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

3,721 results for "i ching" — page 44 of 187

ZF_4_10 Verified Oceanography

ZF_4_10 — Coral as Climate Archive — Paleoceanographic Proxies

Coral paleoclimatology uses the geochemical and physical properties of coral skeletons as high-resolution archives of past ocean conditions — providing some of the most detailed tropical climate records available for the

coral proxy paleoclimate coral core Sr/Ca δ¹⁸O sea surface temperature
ZF_4_16 Verified Oceanography

ZF_4_16 — Microplastics in the Ocean: Sources, Pathways, and Ecological Impact

Microplastics — plastic particles smaller than 5 mm in diameter — have become one of the most pervasive and persistent pollutants in the global ocean. First systematically described as a marine pollutant by Richard Thomp

microplastics nanoplastics ocean pollution marine debris plastic fragmentation bioaccumulation
ZF_4_15 Verified Oceanography

ZF_4_15 — Ocean Sediments: Deep-Sea Cores, Proxy Records, and Paleoclimate

Ocean sediments are the Earth's most comprehensive climate archive — a continuous record of planetary conditions extending back over 200 million years, slowly accumulated grain by grain on the deep seafloor at rates of m

ocean sediments deep-sea core marine sediment paleoclimate proxy foraminiferal isotopes oxygen isotopes
ZF_4_12 Verified Oceanography

ZF_4_12 — Underwater Acoustics and the SOFAR Channel

Sound is the dominant long-range information carrier in the ocean — electromagnetic radiation (light, radio) is rapidly absorbed in seawater, but sound can travel thousands of kilometers with remarkably little loss, maki

underwater acoustics SOFAR channel sound propagation deep sound channel sonar SOSUS
ZF_4_14 Verified Oceanography

ZF_4_14 — Harmful Algal Blooms: Red Tides, Toxins, and Eutrophication

Harmful algal blooms (HABs) — rapid proliferations of microscopic algae (phytoplankton) or cyanobacteria that produce toxins, deplete oxygen, or otherwise damage marine ecosystems, fisheries, and human health — are incre

harmful algal bloom HAB red tide algal toxin eutrophication paralytic shellfish poisoning
ZF_4_05 Verified Oceanography

ZF_4_05 — Marine Pharmacology and Drug Discovery

Marine pharmacology explores the ocean's vast biodiversity as a source of bioactive compounds for drug development — a field that has yielded several approved drugs and thousands of promising leads since the pioneering w

marine pharmacology marine natural products drug discovery bioprospecting marine toxin cone snail
ZF_4_04 Verified Oceanography

ZF_4_04 — Ocean Acoustics and Sound Channels

Ocean acoustics — the study of sound propagation in the sea — is fundamental to marine science, military applications, and understanding marine life. Sound travels approximately 4.5× faster in seawater (~1,500 m/s) than

ocean acoustics SOFAR channel sound propagation underwater sound deep sound channel acoustic thermometry
ZF_4_01 Oceanography

ZF_4_01 — Ocean Acidification and Marine Chemistry

The global ocean has absorbed approximately 30% of anthropogenic CO₂ emissions since the Industrial Revolution and over 90% of excess heat from the enhanced greenhouse effect, making it the planet's primary climate buffe

ocean acidification pH carbonate chemistry CO2 absorption ocean carbon sink dissolved oxygen
ZF_4_09 Verified Oceanography

ZF_4_09 — Seagrass and Coastal Carbon Sequestration (Blue Carbon)

Blue carbon refers to the carbon captured and stored by coastal and marine ecosystems — primarily seagrass meadows, mangrove forests, and salt marshes — which sequester carbon at rates per unit area far exceeding terrest

blue carbon seagrass Posidonia eelgrass Zostera coastal carbon
ZF_1_12 Verified Oceanography

ZF_1_12 — El Niño and ENSO: Pacific Oscillation and Global Climate Impact

The El Niño–Southern Oscillation (ENSO) is the most powerful year-to-year climate fluctuation on Earth — a coupled ocean-atmosphere phenomenon centered in the tropical Pacific that affects weather patterns, agriculture,

El Niño La Niña ENSO Pacific oscillation Walker circulation Bjerknes feedback
ZF_1_13 Verified Oceanography

ZF_1_13 — Continental Shelves: Submerged Geography and Ice Age Coastlines

Continental shelves — the shallow, gently sloping underwater extensions of continental landmasses — represent some of the most biologically productive, economically valuable, and archaeologically significant terrain on E

continental shelf continental margin submerged landscape ice age coastlines Last Glacial Maximum sea level change
ZF_1_09 Verified Oceanography

ZF_1_09 — Thermohaline Circulation and Ocean Conveyor

The thermohaline circulation (THC) — often called the "global ocean conveyor belt" — is the large-scale, density-driven system of deep ocean currents that redistributes heat, salt, carbon, and nutrients throughout the wo

thermohaline circulation ocean conveyor belt AMOC Atlantic meridional overturning deep water formation abyssal circulation
ZF_1_20 Verified Oceanography

ZF_1_20 — Ocean Stratification

Ocean stratification — the formation of stable density layers in the water column due to gradients in temperature, salinity, and pressure — is one of the most fundamental physical characteristics of the global ocean and

ocean stratification thermocline pycnocline halocline density gradient mixed layer
ZF_1_14 Verified Oceanography

ZF_1_14 — Ocean-Atmosphere Coupling: Heat Exchange, Evaporation, and Weather

The ocean-atmosphere interface — the boundary between Earth's two great fluid envelopes — is the planet's most important energy exchange surface. The ocean absorbs approximately 93% of the excess heat trapped by anthropo

ocean-atmosphere coupling air-sea interaction heat flux latent heat sensible heat evaporation
ZF_1_06 Verified Oceanography

ZF_1_06 — Arctic and Antarctic Ocean Systems

The Arctic and Antarctic ocean systems — the planet's polar marine environments — play disproportionately critical roles in global ocean circulation, climate regulation, and marine biodiversity. The Arctic Ocean (~14.06

polar ocean Arctic Ocean Southern Ocean sea ice ice sheet thermohaline circulation
ZF_1_01 Oceanography

ZF_1_01 — Physical Oceanography: Thermohaline Circulation, Currents, and ENSO

Physical oceanography studies the motion, properties, and dynamics of the global ocean — a system containing 97% of Earth's water, covering 71% of the surface, and storing over 90% of the excess heat from anthropogenic c

thermohaline circulation AMOC ENSO El Niño La Niña ocean currents
ZF_1_08 Verified Oceanography

ZF_1_08 — Submarine Volcanism and Island Formation

Submarine volcanism — volcanic activity occurring beneath the ocean surface — accounts for approximately 75% of the Earth's total volcanic output and is the primary mechanism by which new oceanic crust is created, island

submarine volcano island formation hotspot volcanism volcanic island arc Surtsey Hunga Tonga
ZF_1_02 Oceanography

ZF_1_02 — Tidal Science: Lunar Cycles, Tidal Locking, and Tidal Energy

Tides — the rhythmic rise and fall of ocean surfaces — are among the most predictable natural phenomena on Earth, driven primarily by the gravitational attraction of the Moon (accounting for ~68% of tidal forcing) and th

tidal force tidal locking spring tide neap tide tidal bore tidal energy
ZF_1_18 Verified Oceanography

ZF_1_18 — Mesopelagic Zone Ecology

The mesopelagic zone (200–1,000 m depth) — the ocean's "twilight zone" — is emerging as one of the most ecologically and biogeochemically important yet poorly understood habitats on Earth. [KEY FINDING] Despite receiving

mesopelagic twilight-zone diel-vertical-migration biological-carbon-pump deep-scattering-layer micronekton
ZF_1_15 Verified Oceanography

ZF_1_15 — Wave Physics: Wind Waves, Swell, and Coastal Dynamics

Ocean surface waves are the most visible expression of ocean-atmosphere energy transfer — created by wind blowing across the water surface, they travel across entire ocean basins and dissipate their energy on distant coa

ocean waves wind waves swell wave physics wave height wave period