Basepoints and Equity: Drawing a line in the South Sea

Robin Cleverly Marbdy Consulting Ltd

New Approaches to the Conflicts University Of Oxford, 19-20th October, 2017 Maritime Zones: straight and archipelagic baselines PR China Territorial Sea

S O U T H C H I N A S E A

Vietnam

Philippines Internal water

Brunei Sabah Archipelagic water

Indonesia 1 200M Limits from Taiwan Mainlands PR China

Area >200M

Vietnam

Philippines 200M EEZ +

Brunei Sabah

Indonesia Malaysia 2 Bathymetry Very deep ocean >5000m

Deep ocean >4000m

Intermediate shelf ~2000m

Shallow shelf ~100m

3 Outer Continental Shelf Taiwan

PR China

Oceanic crust

Vietnam

Philippines

Brunei

Indonesia Malaysia 4 Outer Continental Shelf Taiwan

PR China Oceanic Vietnam’s crust Partial Submission

Malaysia/Vietnam Vietnam Joint Submission

Philippines

Brunei

Indonesia Malaysia 5 Outer Continental Shelf Taiwan

PR China

Possible area beyond CS

Outer Continental Shelf >200M

Vietnam

Philippines 200M EEZ + Continental Shelf

Brunei Sabah

Indonesia Malaysia 6 South China Sea: Islands Taiwan Prata Island

PR China

Paracel Islands Scarborough Reef

Vietnam

Spratly Islands

Philippines

Brunei Sabah

Indonesia Malaysia 7 200M EEZ from all features Taiwan Prata Island

PR China

Scarborough Paracel Reef Islands

Vietnam

Spratly Islands Philippines

Brunei

Indonesia Malaysia 19 Law of the Sea Convention: Regime of Islands

Article 121: Regime of islands 1. An island is a naturally formed area of land, surrounded by water, which is above water at high tide. 2. Except as provided for in paragraph 3, the territorial sea, the contiguous zone, the and the continental shelf of an island are determined in accordance with the provisions of this Convention applicable to other land territory. 3. Rocks which cannot sustain human habitation or economic life of their own shall have no exclusive economic zone or continental shelf.

8 Island Features in the South China Sea

Island

Rock

Sand cay = rock?

9 Island Features in the South China Sea

12M 200M?

12M only

12M only Nothing! 10 – low-tide elevation

1867 HMS Rifleman Survey

11 Subi Reef – low-tide elevation

DecJuneOctober 20162016 2005 SatelliteSatellite Satellite ImageryImagery Imagery 12 Subi Reef: December 2016

13 Thitu Island and Reefs

Sandy Cay

Island

1867 HMS Rifleman Survey

14 Thitu Island and Reefs

Sandy Cay

Sandy Cay

Island

Thitu Island

15 Thitu Island and Subi Reef Entitlements Sandy Cay Island

(Philippines)

Low-tide elevation

Subi Reef

(China) 16 Gaven Reef (North)

17 Gaven Reef (North)

18 Rules for drawing boundaries

• Territorial Sea (article 15): • equidistance/special circumstances • Continental Shelf/EEZ (articles 74/83) • Equitable principles

Three Stage process 1. Draw equidistance 2. Adjust for relevant circumstances 3. Check for equity and proportionality

22 Status of small features in delimitation

Feature Entitlement Role in Delimitation Fully entitled island TS, CZ, EEZ, CS Full or, more likely, reduced weight Small Island/Rock TS, CZ Reduced weight/enclave Low-tide elevation TS, CZ Probably nil (<12M of island) (BD/India = nil) Isolated low-tide Nil -not capable Nil elevation (>12M) of appropriation

23 Nicaragua vs Colombia

Serranilla Bajo Nuevo

Quitasueño

Serrana

Roncador S Catalina Providencia

San Andres Albuquerque

COSTA COLOMBIA RICA

PANAMA

24 Colombia’s Islands and Cays San Andrés Quitasueño

Quitasueño Serrana

25 Colombia’s proposal

Serranilla Bajo Nuevo

Quitasueño

Serrana

Roncador S Catalina Providencia

San Andres

Albuquerque

Median line

COSTA COLOMBIA RICA

PANAMA

26 Nicaragua vs Colombia: ICJ Judgment (2012)

Serranilla 12M Bajo Nuevo Enclaves

Quitasueño

Serrana

Roncador Weighted S Catalina Median line Providencia

San Andres

Median line

COSTA COLOMBIA RICA

PANAMA

27 12M zones for small Taiwan islands and rocks Prata Island

PR China

Scarborough Paracel Reef Islands

Vietnam

Spratly Islands Philippines

Brunei

Indonesia Malaysia 28 A Solution? Taiwan Prata Island

PR China

CS median >200M

Scarborough Paracel Reef Islands

Vietnam

Spratly Islands Philippines Agreed Median

Indonesia Malaysia 29 Interim Practical Taiwan Prata Solution? Island

PR China

Scarborough Paracel Reef Islands

Vietnam

Spratly Islands Philippines

50M zones Brunei

Indonesia Malaysia 30