Analysis of atmospheric and climatic impacts of shipping emissions
SPENCER JONES made this Official Information request to Maritime New Zealand
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From: SPENCER JONES
Dear Maritime New Zealand,
OIA Request — Shipping Emissions & Atmospheric Effects
Subject: Analysis of atmospheric and climatic impacts of shipping emissions
Request:
I request copies of any documents held from 1 January 2015 to present that:
1. Assess or analyse the atmospheric impacts of shipping emissions, including:
• sulphur dioxide (SO₂)
• sulphate aerosols
• particulate matter
2. Evaluate or discuss:
• aerosol–cloud interactions
• cloud condensation nuclei (CCN)
• cloud formation or reflectivity
• rainfall or precipitation effects
3. Relate to implementation or impacts of:
• MARPOL Annex VI
• Marine Protection Rules Part 199
4. Include any modelling, monitoring, or scientific assessments of:
• coastal air quality near ports
• secondary sulphate formation
• observable “ship track” phenomena
If no documents exist that evaluate rainfall or cloud effects, please confirm that no such analysis has been undertaken or is held.
Kind regards,
Spencer Jones
From: Ministerial Services
Maritime New Zealand
Kia ora Spencer
Thank you for your information request sent to Maritime NZ on 8 April 2026 as below.
We will respond to your request in accordance with the Official Information Act 1982 (OIA). We will notify you of the decision on your request as soon as reasonably practicable and, in any case, no later than Thursday 7 May, being 20 working days after the day your request was received. If we are not able to respond to your request by 7 May, we will notify you of an extension to that timeframe.
If you have any queries regarding your request, please don’t hesitate to contact us.
Ngā mihi
Ministerial Services
show quoted sections
From: Ministerial Services
Maritime New Zealand
Kia ora Spencer
Please find attached our response to your Official Information Act request.
Ngā mihi
Ministerial Services
show quoted sections
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