UNCLOS Baselines: Simplifying Maritime Law

In this lesson, we will explore UNCLOS and maritime baselines, the foundation of international maritime law.The United Nations Convention on the Law of the Sea, often referred to as UNCLOS, is the international agreement that establishes rules governing all uses of the world's oceans.UNCLOS has a significant history. Negotiations began in 1973, the convention was adopted in 1982, and it officially entered into force in 1994. Today, 167 countries have ratified this pivotal agreement.Maritime baselines are the foundation of this system. They are the lines from which all maritime zones are measured.Think of baselines as the boundary between a country's land territory and the sea. They typically follow the low-water mark along the coast.From the baselines, countries measure different maritime zones with varying legal status.The Territorial Sea extends 12 nautical miles from the baseline. In this zone, the coastal state has full sovereignty, similar to its land territory.Beyond that is the Contiguous Zone, extending to 24 nautical miles. Here, the state can enforce certain laws related to customs, immigration, and sanitation.The Exclusive Economic Zone or EEZ extends up to 200 nautical miles. In this expansive area, the coastal state has sovereign rights over natural resources, both living and non-living.Without properly established baselines, countries cannot legally claim their maritime rights and jurisdictions under international law. Baselines are the foundation of the entire maritime boundary system.UNCLOS recognizes several types of baselines to accommodate different coastal geographies.There are three main types of baselines defined under the United Nations Convention on the Law of the Sea.Normal baselines follow the low-water line along the coast as marked on official charts.These are the simplest form of baselines and work well for regular coastlines without complex features.Straight baselines connect appropriate points along deeply indented coastlines or where there's a fringe of islands.These baselines simplify the maritime boundary for complex coastal features, allowing a more practical approach to defining maritime zones.Archipelagic baselines apply to island nations like Indonesia or the Philippines, connecting the outermost points of their outermost islands.This baseline type allows island nations to maintain unity of their archipelagic waters, treating the water between islands as internal waters.Each type of baseline serves specific purposes based on a country's coastal geography.Normal baselines work for regular coastlines, straight baselines simplify complex coastal features, and archipelagic baselines allow island nations to maintain unity of their waters.Countries must carefully determine which baseline method applies to their geography to maximize their maritime claims while complying with international law.