So you think you want to be a marine biologist?

Have you ever watched an epic movie about the sea and dreamed of being a “marine biologist” or “oceanographer”? Have you ever had thoughts after that thought about … what is the difference between a “marine biologist” and “oceanographer”? Marine biology, or the study of life in the sea, is actually just one branch of the oceanography tree. Oceanography is the larger discipline of describing and recording the contents and processes of the ocean. There are four branches of oceanography. Check out the difference below:

  • If you are a chemical oceanographer you might study (but, are not limited to …): the sea’s oxygen levels and their impact on marine life; toxic dumping; vents on the ocean floor; rainfalls.
  • If you are a physical oceanographer you might study (but, are not limited to …): oil spills and their travel patterns, ocean currents, alternative power, beaches, and shorelines.
  • If you are a marine geologist you might study (but are not limited to …): maps the ocean floor, volcanoes, trenches, abyssal plains, and helps predict the continental drift.
  • If you are a biological oceanographer (e.g., marine biologist) you might study (but, are not limited to …): ocean plants, animals, and all other sea life (i.e., bacteria!).

So, where do you fit in to all of these? Take this fun and informal online quiz from the New Hampshire Sea Grant to see which branch of oceanography would suit you best. My results are below! Go figure the “related fields” includes education.

What was your score? Anything surprising?

What makes each ocean unique?

Well, it’s finally happened. My almost seven-year old is bringing on the thought-provoking questions. We talk a lot about how what we do in our house will affect our watershed and that in turn (collectively) affects the world. Well, I was snagged the other day when I said, “Well, the river goes to the lake and leads to another lake and river and then to the ocean. And, it’s the only ocean we have so we need to take care of it.” What I heard next was, “Mom, if it goes into the Atlantic Ocean isn’t there also the Pacific? Isn’t that two oceans?” She’s not alone in the confusion as I’ve had students not sure how the oceans are connected (Giant Conveyor Belt of currents!) and why do we give them all different names.

I laid it out like this: There is only one ocean, but each area of the world has a section (i.e., basin) of the ocean that has specific properties based on temperature and what type of land it is near. For instance, the Pacific Ocean is huge, has rocky shorelines, and lots of volcanoes and islands because it’s surrounded by the “Ring of Fire.” I explained that the Indian Ocean is pretty flat almost like the Gulf of Mexico because lots of rivers flow gently into it.

Here’s a quick graphic I fancied up to share on some major characteristics of each ocean basin. Click on it and then travel around to each one! I like to keep it simple so if you feel like there’s something that needs additional emphasis, please feel free to share so I can add it!

 

How do you talk about climate change to your neighbors?

On this website I’ve written about climate change extensively over the years. Sea level rise is a settled fact and 10 justifications ocean acidification is a serious concern were posts from five years ago and still very timely topics. But nonetheless it still seems like a subject that I tend to hesitate or stall when speaking to family, friends, and neighbors. It’s not that I fear that I might stumble upon skeptics or deniers but my technique for crafting the conversation with confidence just isn’t there. As a formal educator in the classroom I tended to have plenty of confidence as I was in a setting where I could do demonstrations and present and discuss realtime data often. I was very excited to stumble upon the Climate Stewards webinar on Teaching the Science & Rhetoric of Climate ChangeStrategies, Pitfalls, and Keeping Your Chin Above Water in Turbulent Times presented Dr. Krista Hiser and Dr. Wendy Kuntz from the University of Hawaii, Kapi’olani Community College.

Sometimes I tend to make evening webinars a background while working on other projects (Shhh …!), but, I was taken and envious of the course these professors had developed. You see Dr. Hiser is a professor of Composition and Rhetoric and Dr. Kuntz is an Associate Professor of Biology and Ecology. This is a marriage made in heaven for science communication and all of their students! In the presentation for their class they discussed the importance of this relationship and is highlighted in the class overview “Climate change is complex and multi-faceted. Student learning is most lasting and positive when reinforced across disciplines.”

An important aspect of the class they talked about was a service learning project so I’ve given up hope of taking it online anytime soon. However, my amazing takeaways (i.e., as a person that wants to keep it simple for the readers here) were some ideas on how to be poised and self-assured when skirting around the discussion of climate change. The professors brought up the controversial DYK that the Associated Press states that “to describe those who don’t accept climate science or dispute the world is warming from man-made forces, use climate change doubters or those who reject mainstream climate science. Avoid use of skeptics or deniers.” When I heard this a light came on for me … I thought well in any discussion all I might need to do is erase some doubt by pointing to mainstream climate science. Sounds easy? But, any audience is going to have to have an understanding of Earth’s Energy Balance. When I think of the Earth’s Energy Balance I tend to think of the atmospheric and water cycle with man-made ingredients such as deforestation and fossil fuel emissions added. This is a relationship that is clearly unbalanced and can be linked to an increase in carbon dioxide emissions since the Industrial Revolution.

The next part of the webinar included some advice on what would be most effective in conversations with confidence. Here are five ideas that I hope to practice in my new Chicagoland home:

  • Commit to having at least 3-5 facts that you can understand and CAN REPEAT
  • Provide measurable actions someone can do
  • Create a metaphor for what climate change is to you or your local audience
  • Name some of the impacts in your local or national area
  • Define what climate change may do in 20 years in your area

Some ideas that I will plan to avoid will be:

  • Stray from green rhetoric such as “the future”, “children” and “the earth”
  • Avoid any debate

Thank you to everyone at NOAA Climate Stewards, Dr. Hiser, and Dr. Kuntz for this important and informative webinar. You can listen to the webinar here. If you have any other strategies or ideas for effective climate change discussion please share below!

Do water molecules “surf” the waves?

It seems like water molecules might follow the path of a wave given what we know from the water cycle.

Water-Cycle-Art2A

But, if you watch a floating object like a toy boat on a wave in the open sea it won’t travel with the wave but rather bob up and down. The water molecules are actually swirling under the waves helping to move energy to the wave. This swirling motion is known to oceanographers as the “circular orbital motion”.

water-824418

doeswatersurf

Waves are mostly moved by wind. The water molecules in waves of the open ocean are not traveling along with the waves but rather under the waves in a circular motion.

When you get closer to the shore the orbital motion is non-existent because the waves touch the bottom. That phenomenon helps when you lose your boogie board in the surf zone.