NOSB 2018 (Regional Competition 1/Round 10)

Front

What is wave refraction?

Back

Wave refraction is the bending of waves as they approach the shore, causing them to change direction and speed due to variations in water depth.

Front

What is the general effect of wave refraction on the shape of a coastline?

Back

Wave refraction generally smooths out headlands and fills in embayments, leading to a more regular coastline.

Front

What is the Marine Life Protection Act?

Back

The Marine Life Protection Act is a California state legislation enacted in 1999 that directs the reevaluation and redesign of the state's system of marine protected areas.

Front

What type of sediment is glauconite classified as?

Back

Glauconite is classified as authigenic sediment, which forms in place from the chemical and biological processes occurring in the sedimentary environment.

Front

What institution operates the R/V Marcus G. Langseth?

Back

The R/V Marcus G. Langseth is operated by the Lamont-Doherty Earth Observatory, which is part of Columbia University.

Front

What is the Antiquities Act?

Back

The Antiquities Act is a U.S. law enacted in 1906 that allows the President to designate national monuments to protect significant natural, cultural, or scientific features.

Front

What is the role of marine protected areas?

Back

Marine protected areas are designated regions in oceans and coastal waters that are protected for conservation purposes, helping to preserve marine biodiversity and ecosystems.

Front

What is the difference between lithogenic and biogenic sediments?

Back

Lithogenic sediments are derived from the weathering of rocks, while biogenic sediments are formed from the accumulation of biological materials, such as shells and coral.

Front

What are the main objectives of marine policy?

Back

The main objectives of marine policy include the sustainable management of marine resources, protection of marine ecosystems, and ensuring the health of ocean environments.

Front

How does sediment transport occur along coastlines?

Back

Sediment transport along coastlines occurs through processes such as longshore drift, wave action, and currents, which move sediment parallel to the shore.