Posts Tagged 'video'

Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)

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Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)

Continue reading ‘Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)’

This is CDR ep.49: MRV for ocean-based CDR methods with Dr. Jessica Cross, NOAA (video & text)

In this episode of This Is CDR, OpenAir welcomes NOAA Research Oceanographer Dr. Jessica Cross to discuss the challenges associated with measurement, reporting, and verification (MRV) of ocean-based CDR methods, and how we can seek to address them in a climate-relevant time-frame.

About our Guest. – https://www.pmel.noaa.gov/people/dr-j…

Dr. Jessica N. Cross is a research oceanographer with the NOAA in Seattle, WA. Her current research focuses on carbon biogeochemistry and ocean acidification in Arctic regions, and especially along the Alaskan coast. The main goal is to better understand how acidification processes interact with natural biogeochemical cycles, and eventually to detect geochemical and biological impacts of acidification in marine systems. Dr. Cross conducts her research across a variety of platforms, including ship-based measurements, moorings, and mobile autonomous platforms like gliders and drones, through NOAA’s Innovative Technology for Arctic Exploration Program. She also broadly participates in the Arctic research community through the North American Carbon Program, the Ocean Carbon Biogeochemistry Program, the Pacific Arctic Group, and the Interagency Research Policy Committee collaboration teams.

Continue reading ‘This is CDR ep.49: MRV for ocean-based CDR methods with Dr. Jessica Cross, NOAA (video & text)’

Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)

Continue reading ‘Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)’

Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)

Continue reading ‘Emisión en directo de symposium high CO2 – Lima (video) (in Spanish)’

Ocean Acidification Research for Sustainability – OARS (video)

The Global Ocean Acidification Observation Network (GOA-ON)’s programme, “Ocean Acidification Research for Sustainability” (OARS) is endorsed as an Ocean Decade Action for the UN Decade of Ocean Science for Sustainable Development (2021-2030). OARS will address Sustainable Development Goal indicator 14.3.1 and will further develop the science of OA.

A new OARS video launched at the UN Decade Forum featuring the OARS co-leads Dr Jan Newton, Prof Steve Widdicombe, and Kirsten Isensee as well as Dr Libby Jewett, Director of the NOAA Ocean Acidification Program and one of the lead authors of the IPCC 6th Assessment Report. The video highlights the effects of ocean acidification on the marine environment and the actions needed to better understand, adapt and mitigate these effects that OARS will undertake in the next few years. Dr Katy Soapi (The Pacific Community, GOA-ON Pacific Islands and Territories OA Hub co-chair), Dr Sheck Sherif (GOA-ON OA Africa Hub co-chair) and Dr Abed El Rahman Hassoun (GOA-ON Mediterranean OA Hub co-chair) spoke from their regional perspectives and joined the call to all interested researchers, stakeholders and decision makers to join OARS!  

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How to measure pHT in biological experiments

Research on ocean acidification requires following best practices. The OA-ICC contributes to the development of teaching material for the implementation of simplified methodologies for laboratories with limited finances or infrastructure.

Authors: Sanja Grđan, University of Dubrovnik & Sam Dupont, University of Gothenburg

Translation: Celeste Sánchez Noguera (Spanish) and Sam Dupont (French)

Description: Measuring pH in seawater using a glass electrode is not trivial and requires TRIS buffer. TRIS buffers are commercially available from Dr. Andrew Dickson’s laboratory at the Scripps Institution of Oceanography, California. However, access to this buffer can be difficult due to a continuously increasing demand as well as costs including shipping, customs fees, and taxes, making them less available for countries and laboratory with limited funds.

A simplified buffer preparation method is described in Paulsen & Dickson (2020) making the use of TRIS buffers available to a wider range of researchers.

The aim of this document and associated material (xls sheets and videos) is to help experimentalists entering the field of ocean acidification to make their own TRIS buffer, calibrate their glass electrodes for pH measurement on the total scale, take water samples and calculate pH on the total scale (pHT).

English Language Materials

French Language Materials

Spanish Language Materials

Continue reading ‘How to measure pHT in biological experiments’

TarApprendre : pH et acidification de l’océan (video – in French)

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What is ocean acidification? Find out how research at Plymouth is tackling this global carbon dioxide problem (text & video)

Explore the science behind falling ocean pH and the impact this has on marine ecosystem balance

Ocean acidification occurs when carbon dioxide (CO2) is absorbed rapidly into the ocean.

It reacts with water molecules (H2O) to form carbonic acid (H2CO3). This compound then breaks down into a hydrogen ion (H+) and bicarbonate (HCO3). These hydrogen ions decrease seawater pH.

In chemical terms, ocean acidfication is described like this:

CO2 + H2O → (H+) + (HCO3)

The rising CO2 problem

Since the beginning of the Industrial Revolution in the early 1800s, the rise of fossil fuel-powered machinery has been the catalyst for the emission of billions of tonnes of carbon dioxide (CO2) and other greenhouse gases into our atmosphere.

Carbon dioxide levels have now risen by 30 per cent since the Industrial Revolution.

Scientists now know that about a quarter of carbon dioxide emissions have been absorbed by the oceans.

Monitoring shows that burning fossil fuels has caused unprecedented changes to ocean chemistry due to ocean uptake of millions of tonnes of CO2 each year.

Falling pH

Surface ocean waters are alkaline; on average pH 8.1. But because a quarter of human CO2 emissions are taken up by surface seawater this could drop to pH 7.8 by the end of the century, lower than at any time in human history.

The change in ocean acidity will not make it more dangerous for us to swim or surf in.

Seas are not actually going to be acidic – they will still be more alkaline than tap water.

Ocean acidification is happening rapidly worldwide. We have shown that this has knock-on effects that degrade marine ecosystems and impact fishing industries and food supplies. Plans are in place to ensure that University of Plymouth research is strategically aligned to inform the United Nations Decade of Ocean Science for Sustainable Development (2021-2030) and embed solutions that slow ocean degradation and build recovery of our coastal resources.

Continue reading ‘What is ocean acidification? Find out how research at Plymouth is tackling this global carbon dioxide problem (text & video)’

2021 Ocean acidification and hypoxia RFP informational webinar (video)

Sea Grant California, 6 August 2021. Video.

NIWA: Ocean Acidification

The on-going rise of carbon dioxide (CO2) in the atmosphere is not only changing our climate; it is also changing our oceans. More than a quarter of the CO2 released to the air by human activities is absorbed by the world’s oceans.

Resource type: website

Resource format: video

NIWA. Resource.

What is ocean acidification?

Ocean acidification is a result of chemical reactions that take place when the global ocean absorbs carbon dioxide (CO2) from the Earth’s atmosphere.

University of Otago. Resource.

Resource type: website

Resource format: webpage

New ocean acidification animation launched

What can we do to save Timmy the Turtle and his friends? A closer look on the causes and future challenges of ocean acidification.

The animation was produced by students at the University of the West of England, supported by Falmouth University and the Shark and Coral Conservation Trust with PML providing scientific guidance.

Plymouth Marine Laboratory (PML), 17 June 2014. Resource.

Resource type: website

Resource format: video

Ocean acidification: connecting science, industry, policy and public

A powerful short film on ocean acidification: connecting science, industry, policy and public.

The film brings together a wide range of stakeholders including, HSH Prince Albert II of Monaco, school children, a Plymouth fishmonger, a UK government Chief Scientific Adviser, representatives from industry and policy making departments, as well as a group of internationally recognised expert scientists.

Produced by the Plymouth Marine Laboratory.

MarineBio Conservation Society, 12 July 2011. Resource.

Resource type: website

Resource format: video

Oceans of change: using nuclear science to study ocean acidification

The negative impacts of man-made CO2 emissions on the environment are already well researched and documented. But the damaging effects of the increasing amounts of carbon dioxide that are ending up in our seas and oceans are less well known.

Marine scientists at the IAEA’s Environment Laboratories in Monaco are using a range of nuclear and isotopic techniques to study a process known as “Ocean Acidification”.

IAEA, 18 September 2013. Resource.

Resource type: film

Resource format: video

The Ocean Acidification Day of Action 2021

The 8th of January (08.01) was chosen to be the Ocean Acidification Day of Action because 8.1 is the current pH of the ocean.

Global ocean acidification is a clear illustration of one of the profound effects of sustained climate change. This phenomenon is changing the chemistry of our oceans and affecting the health of many marine animals, some of which people rely on for their livelihood and for food. The International Atomic Energy Agency’s Ocean Acidification International Coordination Centre (OA-ICC) is using nuclear and nuclear-derived technologies to better understand and address this important issue.

According to Peter Swarzenski from the IAEA in Monaco: “With our international partners, this project plays a key role bringing together global leaders in ocean acidification science and policy. Together, we enable Member States to positively engage in ocean change issues as part of the UN Ocean Decade and the Sustainable Development Goals.”

IAEA, YouTube, 8 January 2021. Resource.

Resource type: film

Resource format: video

Testing the waters: acidification in the Mediterranean

Testing the Waters: Acidification in the Mediterranean is the summit of the MedSeA Project’s dissemination efforts to reach the widest audience possible, in order to raise awareness on the constant dangers stemming from ocean acidification and warming. Aquaculture, the tourism and leisure industries, and the whole economy of a large share of Europe’s coastline and population are threatened by these stresses. Spreading as much information as possible, while engaging policy-makers to address this issue and start devising solutions, is one of the key objectives of the MedSeA Project.

The European Mediterranean Sea Acidification in a changing climate (MedSeA) initiative was a project funded by the European Commission under Framework Program 7 (2011-2014).  It involved 22 institutions (including 6 associated partners) from 12 countries.

MedSeA assesses uncertainties, risks and thresholds related to Mediterranean acidification at organismal, ecosystem and economical scales. It also emphasizes conveying the acquired scientific knowledge to a wider audience of reference users, while suggesting policy measures for adaptation and mitigation that will vary from one region to another.

Mediterranean Sea Acidification (MedSeA), 6 August 2014. Resource.

Resource type: film

Resource format: video

Ocean impacts of climate change

Travel to Australia’s Great Barrier Reef with Joshua Jackson, and witness the beauty of a fragile reef ecosystem that could be lost if people continue to release carbon dioxide (CO2) into the atmosphere at current levels.

In a conversation with a University of Queensland marine biologist, Jackson learns how science has only recently connected climate change with ocean acidification. The ocean absorbs CO2 from the atmosphere and the CO2 reacts with seawater, increasing the ocean’s acidity. Higher acidity is harmful to coral and other marine life. Though humans have assumed that our vast ocean is an inexhaustible resource, it appears the ocean’s resilience is reaching its limit.

In this clip from Years of Living Dangerously, actor Joshua Jackson scuba dives along the Great Barrier Reef, an ecosystem at risk due to climate change.

Video

Find more of this story in the “Collapse of the Oceans” episode of the National Geographic Channel’s Years of Living Dangerously series.

National Geographic. Resource.

Resource type: film

Resource format: video

Ocean acidification and biodiversity

Why are the oceans becoming more acidic and how does that threaten biodiversity? Human activities produce excessive carbon dioxide and much of it is absorbed by the oceans, where it is converted to an acid.

Australian Academy of Science, 30 June 2014. Resource.

Resource type: film

Resource format: video

The other CO2 problem

A short, powerful and entertaining animation about the issue of ocean acidification, produced by Ridgeway School (Plymouth, UK) and Plymouth Marine Laboratory (www.pml.ac.uk). Funded by the European Project on Ocean Acidification (www.epoca-project.eu).

Plymounth Marine Laboratory, YouTube, 9 May 2011. Resource.

Resource type: film

Resource format: video


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