RESEARCH BASE

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

3,721 Documents 34 Sections 43,625 Citations 34,852 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.

198 results for "sound pressure level" — page 4 of 10

M_5_23 Verified Forbidden Archaeology

M_5_23 — Post-Glacial Flooding and Submerged Archaeological Landscapes

Between the Last Glacial Maximum (LGM, c. 26,500–19,000 years ago) and approximately 6,000 years ago, global mean sea level rose by approximately 120–130 m, drowning continental shelves that had been habitable land. The

post-glacial flooding sea level rise Doggerland Sundaland meltwater pulse drowned coastlines
M_3_03 Verified Forbidden Archaeology

M_3_03 — Archaeoacoustics and Acoustic Properties of Ancient Structures

Archaeoacoustics is the study of the acoustic properties of ancient structures, investigating whether builders intentionally designed ritual, ceremonial, and sacred spaces to produce specific sound effects — resonance, e

archaeoacoustics resonance standing wave Stonehenge Newgrange Hypogeum
M_2_08 Verified Forbidden Archaeology

M_2_08 — Underwater Structures of Lake Titicaca & Japan

Multiple significant underwater stone formations have been documented in two distant but thematically related regions: Lake Titicaca (Bolivia/Peru) and the waters surrounding the southern Japanese Ryukyu Islands.

Lake Titicaca underwater ruins Wanaku Akapana sonar Sillustani
U_1_00 Art, Music & Culture

U_1_00 — Music Sound Performance: Subfolder Summary

X_5_25 Verified Medicine & Healing

X_5_25 — Music Therapy: Sound, Rhythm, and Neurological Healing

Music therapy — the clinical and evidence-based use of music interventions by credentialed professionals to accomplish individualized goals within a therapeutic relationship — has emerged from ancient intuition into a mo

music therapy neurologic music therapy rhythmic auditory stimulation Parkinson stroke rehabilitation pain management
X_3_06 Verified Medicine & Healing

X_3_06 — Radiology and Medical Imaging

Medical imaging — the visualization of internal body structures for diagnosis and treatment — has transformed medicine from a discipline dependent on external observation and invasive exploration to one with extraordinar

radiology X-ray Röntgen CT scan MRI ultrasound
C_1_15 Verified Global Traditions

C_1_15 — Oral Tradition Fidelity: How Accurately Do Myths Preserve Historical Facts?

Oral traditions have long been treated with skepticism by historians trained in text-based source criticism, yet mounting evidence suggests that under certain conditions, oral narratives can preserve accurate information

oral tradition memory fidelity Aboriginal Australian sea-level rise folklore phylogenetics Vansina
C_4_05 Verified Global Traditions

C_4_05 — Australian Aboriginal Dreamtime Synthesis

This document examines Australian Aboriginal Dreamtime Synthesis, a topic within the Global Traditions research area. Key areas of investigation include The Deep Time Record, Diversity — Not "A Culture" but a Continent o

Aboriginal Australian Dreamtime Dreaming Tjukurpa Jukurrpa Altjeringa
C_4_10 Verified Global Traditions

C_4_10 — Mapuche and Patagonian Traditions

The Mapuche people of south-central Chile and southwestern Argentina represent one of the most remarkable cases of indigenous resistance in world history — the only major American group never conquered by the Inca Empire

Mapuche Araucanians Patagonia Pillan Ngünechen Wekufe
C_5_32 Verified Global Traditions

C_5_32 — Flood Myths: Universal Deluge Traditions Across Civilizations

Flood myths appear in over 200 cultures across every inhabited continent, making the "Great Deluge" one of the most universal narrative motifs in human mythology. The oldest written version appears in the Sumerian Eridu

flood myth deluge noah utnapishtim manu deucalion
ZF_2_09 Verified Oceanography

ZF_2_09 — Fisheries Science and Overfishing

Fisheries science studies the dynamics of fish populations and the management of their exploitation, while overfishing — harvesting fish faster than they can reproduce — has emerged as one of the most pressing threats to

fisheries overfishing maximum sustainable yield bycatch fish stock trawling
ZF_2_12 Verified Oceanography

ZF_2_12 — Deep-Sea Gigantism and Abyssal Ecology

Deep-sea gigantism (also called abyssal gigantism) is the observed tendency for certain deep-sea invertebrates and some vertebrates to attain body sizes far exceeding those of their shallow-water relatives — a pattern do

deep-sea gigantism abyssal ecology giant squid giant isopod Bathynomus deep-sea fish
ZF_3_17 Verified Oceanography

ZF_3_17 — Anthropogenic Ocean Noise Pollution

Anthropogenic ocean noise — sound from shipping, seismic surveys, military sonar, construction, and industrial activity — has increased ambient ocean sound levels by an estimated 32-fold (15 dB) in many ocean regions sin

ocean-noise anthropogenic-sound marine-acoustics shipping-noise sonar cetacean-impacts
ZF_3_08 Verified Oceanography

ZF_3_08 — Sunda Shelf and Southeast Asian Submerged Landscapes

The Sunda Shelf (or Sundaland) is one of Earth's largest continental shelves — an area of ~1.8 million km² (larger than the Indian subcontinent) that connects the islands of Borneo, Sumatra, Java, and Bali to peninsular

Sunda Shelf Sundaland Southeast Asia submerged landscape Wallace Line Huxley Line
ZF_5_18 Credible Oceanography

ZF_5_18 — Wave & Tidal Energy

Wave and tidal energy — the extraction of electrical power from ocean surface waves and gravitational tidal flows — represent a vast but largely untapped renewable energy resource: the International Energy Agency (IEA) e

wave energy tidal energy marine renewable ocean power Pelamis tidal barrage
ZF_5_16 Verified Oceanography

ZF_5_16 — Ocean Observation Networks: Global Monitoring of the Marine Environment

Ocean observation networks constitute the global infrastructure for monitoring the physical, chemical, and biological state of the world's oceans in near-real-time. The centerpiece of modern ocean observation is the Argo

ocean observation Argo floats GOOS ocean monitoring satellite oceanography moored buoys
ZF_5_08 Verified Oceanography

ZF_5_08 — Coastal Geomorphology: Erosion, Beaches, and Barrier Islands

Coastal geomorphology is the study of landforms at the interface of land and sea — a dynamic zone shaped by the constant interaction of waves, tides, currents, wind, rivers, geology, biology, and increasingly by human ac

coastal geomorphology coastal erosion beach barrier island sea cliff longshore drift
ZF_5_06 Credible Oceanography

ZF_5_06 — Ocean Energy: Tidal Power, Wave Energy, and OTEC

Ocean energy encompasses a family of renewable energy technologies that harvest the ocean's vast stores of kinetic, thermal, and chemical energy — including tidal power (predictable tidal flow and range), wave energy (wi

ocean energy tidal power wave energy tidal barrage tidal stream OTEC
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_01 Verified 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