Ballast is weight placed low in ships to lower their centre of gravity, which increases stability (more technically, to provide a righting moment to resist...

called a ballast tank. Water should be moved in and out from the ballast tank to balance the ship. In a vessel that travels on the water, the ballast will...

International Convention for the Control and Management of Ships' Ballast Water and Sediments (Ballast Water Management Convention or BWM Convention) is a 2004...

A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability...

to the growing emissions. Ballast water discharges by ships can have a negative impact on the marine environment. Cruise ships, large tankers, and bulk...

take on water ballast to allow the load—usually another vessel—to be floated over the deck, whereupon the ballast is jettisoned and the ship's deck and cargo...

Ballast water discharges by ships can have a negative impact on the marine environment. The discharge of ballast water and sediments by ships is governed...

segregated water ballast spaces is probably the single most important feature, next to the integrity of the initial design, in determining the ship’s effective...

are used to store fuel, engine oil, and fresh water. Ballast tanks are equipped to change a ship's trim and modify its stability. Superstructures are found...

and 8×8 are also available. Typical ballast tractor loads include oil rig modules, bridge sections, buildings, ship sections, and industrial machinery...

Retrieved 2019-02-07. "Bacterial Diversity in Ships Ballast Water Ballast-Water Exchange, and Implications for Ship-Mediated Dispersal of Microorganisms". doi:10...

The term "ballast" comes from a nautical term for the stones used to stabilize a ship. The appropriate thickness of a layer of track ballast depends on...

Maritime Organization (IMO)’s Ballast Water Management (BWM) Convention, commercial ships will have to treat their ballast water in order to comply with...

abbreviatus, N . vicinus, and N. borellii, probably having arrived in ship ballast. They caused major problems for decades as they spread in the Southeastern...

forces ballast water from the tanks, quickly lightening the ship so it can rapidly rise to the surface. The partial failure of the emergency main ballast tank...

amphibious cargo ships, and the older dock landing ships (LSD) by incorporating both a flight deck and a well deck that can be ballasted and deballasted...

compensate. When the ships were reactivated, and fitted with stores and guns, large quantities of ballast was removed. The ballast that was removed would...

Lightweight displacement – LWD – The weight or mass of the ship excluding cargo, fuel, ballast, stores, passengers, and crew, but with water in the boilers...

Great Lakes ecosystem; many have become invasive; the overseas ship ballast and ship hull parasitism are causing severe economic and ecological impacts...

in the ballast water of ships. The Coast Guard issued ballast water regulations, pursuant to NISA, in 2012. The Coast Guard requires ballast water treatment...

species have arrived in other regions (by flight or as contaminants of ship ballast or cargoes), including parts of North America, where some have become...

the Ballast Water Working Group in 1987 in order to better manage concerns around biosecurity risks to aquaculture from introduced species from ship ballast...

at least since the 17th century as a result of seeds transported in ship ballast soil, the ornamental trade or its uses in medicine. This species can...

identified as ship ballast piles, evidence of ancient marine wrecks. One of the wrecks surveyed in 1970 yielded a spearhead discovered within the ballast pile...

Her 204 tons of fuel oil could propel the ship for 75 days without wind. Two Bolinder engines served the ballast pump and provided electric lighting. Primarily...

Australian waters. The ship encountered severe weather and rough seas, which caused leaks and a buildup of water in the ship's ballast, creating unanticipated...

they use sailing ballast distributed among ballast tanks to stabilize the ship, following the unloading of cargo. The draft of a large ship has little direct...

is a measure of how much weight a ship can carry. It is the sum of the weights of cargo, fuel, fresh water, ballast water, provisions, passengers, and...

(agricultural run-off), climate shifts, or transport of algae species via ship ballast water. Domoic acid poisoning may have caused an August 18, 1961, invasion...

facilities and exported a refined version of it, it was often used as ship's ballast in place of water - having a resale value at the other end of the journey...