📡Ocean Observing System

A network of instruments monitoring ocean conditions.

🕳️Ocean Trench

A narrow deep depression in the seafloor.

🛢️Oil Spill

The release of petroleum into the ocean, harming marine life.

🎣Overfishing

Catching fish at a rate faster than they can reproduce.

☀️Photosynthesis

The process by which plants convert sunlight into chemical energy.

🌊Physical Oceanography

The study of ocean currents, waves, and physical properties.

🟢Phytoplankton

Microscopic marine algae that form the base of the ocean food web.

🦠Plankton

Drifting organisms in the ocean that cannot swim against currents.

📊Pressure

The force exerted by water increasing with depth.

☀️Primary Production

The creation of organic matter by photosynthesis in the ocean.

🔴Red Tide

A harmful algal bloom discoloring coastal waters.

🛰️Remote Sensing

Gathering ocean data from satellites or aircraft.

🤖Remotely Operated Vehicle

An unmanned underwater vehicle controlled from a surface ship.

🚢Research Vessel

A ship designed for oceanographic research.

🌊Rogue Wave

An unusually large and spontaneous ocean wave.

🧂Salinity

The concentration of dissolved salts in seawater.

🛰️Satellite Altimetry

Measuring ocean surface height using satellite radar.

🌊Sea

A large body of saltwater partly or fully enclosed by land.

📏Sea Level

The average level of the ocean's surface.

📈Sea Level Rise

The increase in global sea level due to melting ice and warming.

🪨Seafloor

The bottom of the ocean.

🌱Seagrass

Marine flowering plants growing in shallow coastal waters.

🌋Seamount

An underwater mountain rising from the seafloor.

💧Seawater

Water from the ocean containing dissolved salts and minerals.

📡Sonar

A technique using sound waves to detect objects underwater.

🌕Spring Tide

A tide of maximum range occurring at new and full moon.

🌀Storm Surge

A rise in sea level caused by a storm's winds.

🚢Submersible

A small underwater vessel for deep-sea exploration.

💨Surface Current

An ocean current driven primarily by wind.

〰️Swell

Long wavelength waves generated by distant weather.