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This map illustrates the impact of the Hunga Tonga-hunga Ha'apai volcanic eruption and the subsequent tsunami in 'Ohonoua town ('Eua Prope district, Tonga) and damage assessment as detected from Pleiades images acquired on 20 January 2022 at 11:20 local time and 21 January 2022 at 11:13 local time.

The map was produced by JRC.. Joint Research Centre of the EU.  It provided a situation overview  as  at 18 & 19 Jan, 2022 Sources provided by UN OCHA.  Sattelite mapping activation sources: Corpernicus, UNOSAT- UNITR, International Charter Activation 744.

This document also provide some infomation on the  types of assistance that have been provided to the people as well as findings from the assessment. 

The maps highlights areas with significant shift in the shoreline  by overlaying shoreline data  from Nov 2021 and January 2022

Concerns are raised over potential negative impacts of desalination activity on the environment.

Resource and Guidance Manual for Environmental Impact Assessments

Suggested Citation :

UNEP (2008) Desalination Resource and Guidance Manual for Environmental Impact Assessments. United Nations Environment Programme,   Regional Office for West Asia, Manama, and World Health Organization,   Regional Office for the Eastern Mediterranean, Cairo

This review was in preparation for Tonga's 4th national report to the CBD (Convention on Biological Diversity)

Official DKAN data portal user manual.

User guide on getting started with the Inform Data Portal

The Integrated Water and Coastal Management Plan for Vava'u acrhipelago in the Kingdom of Tonga has involved consultations with multi-level and multi-discipline stakeholder including local, provincial and national institutions, civil societies, private institutions and communities.
The Integrated Water and Coastal Management (IWCM) project was initiated in 2013 as a continuation of the very successful Integrated Water Resource Management Project in Vava'u from 2010-2012.

The deliverable focuses on a categorized listing of key issues and available information plus a concise description of the major characteristics of the Tongatapu coast (see Appendix B). The evidence to support the recommendations presented in this report has been gathered from a literature review, interviews with key stakeholders of Tongan government agencies and consideration of existing institutional practices of coastal management planning from the international arena (see Deliverable 2).

Rising oceans, changing lives: Final report is the overview report in a series of technical reports that have been
written for the project on Lifuka Island. Accordingly the section titles in the final report correspond with the
names of the respective technical reports.

This was an integrated effort by all concerned with the coastline in Tonga.

Integrated Coastal management applied conscious management process that acknowledge the interrelationships among most coastal and ocean uses and the environment that potentially affected.

The study was a remarkably productive and enriching experience for all who were involved. It became a forum for critical reflections and analysis. It also built a knowledge and understanding amongst different communities, villages and the survey team.

Water Resources Report 1992, Appendices A-H

Water Resources Report 1992, Appendices I-K

Water Resources Report 1992 : Appendices L-O

Water Resources Report 1992, Fig 4.1-5.17

Water Resources Report 1992, Figs 5.17-5.53

This report, one of a series of reports from the Tonga Water Supply Master Plan Study, presents the findings of a recent water resources study of the islands in the Kingdom of Tonga. It summarises previous work, documents recent and current investigations and recommends further investigations to gain a better understanding of the water resources. It also outlines details of a proposed national monitoring and protection programme and makes recommendations about legislation for water resource management and protection.

The following study by Mr Furness is his summation of these labours of three years. It is a valuable document for future water management in Tonga and testimony to his professional dedication and his commitment to the Tongan people.