Discussion Summary Assignment - Copy-2

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Oct 30, 2023

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Singh1 Discussion Summary Assignment Post #1: The question that is being addressed in this particular case is about stating and explaining two different types of feedback systems that we had come up with while going through the content of week 2. Furthermore, the second part of the discussion post is to discuss any findings about other stock/flow/feedback simulations that might help other individuals understand the concepts. To elaborate, the material that was being delved into was about an introduction to the climate system. Furthermore, in this week's content we learned about climate variability in contrast to climate change and the topic about the composition and structure of the atmosphere was discussed. Furthermore, the week number that is being addressed in this discussion summary is from week 2 as previously stated. Furthermore, the date that I posted this message was on September 14, 2023. This discussion from a general perspective is about feedback systems from a biological/physiological perspective. The examples that were provided for the first part of the discussion were dictated by the fact that I am in a biomedical science major and thus the implications for the human body were very

Singh2 prevalent. While thinking about my response to the first question I had recalled two crucial concepts from my past physiology courses which were how the body gets rid of waste through sweating and the labour cycle in females thus leading to the examples of amplifying and stabilizing feedback to be both physiology related. With this being stated, I believe that this was not the best way that this question could have been answered as it does not fully exemplify the diversity of branches/topics that feedback systems could be a part of. After 5 weeks of content, my perspective on feedback systems have changed drastically as before in week two I supposed that feedback systems were mostly observable from a biological/physiological standpoint however when I view the notion of feedback systems now, I can clearly appreciate the level of assortment that feedback systems are a part of other than just from a biological perspective. An example of an amplifying feedback system that was very prevalent in the later weeks content was the notion of ocean warming. As carbon dioxide concentrations enhance, it increases the warming capabilities of the atmosphere. The oceans will warm due to an increase in air temperatures. With this being stated, as the temperature increases the ability of the ocean to remove carbon dioxide particles from the atmosphere also decreases as a result. Consequently, increasing carbon dioxide levels further intensifies carbon dioxide concentrations in the atmosphere. To add on, there was a reply from one of my peers in my group that provided another detailed example of a physiological feedback system. This individual stated how the action of a baby suckling can lead the pituitary gland to release the hormone prolactin which in turn will stimulate the mammary gland for milk production. Consequently, this leads to an amplifying feedback system as the baby will continue to suckle therefore continuing the feedback loop. With this individual's reply being mentioned, as I have gone through the later weeks of this course and viewed many various examples of feedback systems and have enhanced my interpretation of feedback loops. In this case of baby suckling, I completely agree with my peer that it is an example of an amplifying feedback. However, on the flip side I believe this could also be an example of stabilizing feedback. This is due to the fact that high levels of lactation (such as during childbirth) are not a normal state of the body. Furthermore, the baby’s suckling will slow down as the baby will get tired and full, thus leading to a decrease in the prolactin hormone. This will eventually lead to a restoration/stabilization of milk production.

Singh3 Post #2: The question being discussed in this case is about articulating our initial thoughts, opinions, and inquiries we have come up with while watching “Do the Math – The Movie”. Furthermore, the second task for the week was to examine and decipher the various aspects available in the Global Carbon Atlas to check for anything that may have surprised us. In this week’s content, we learned about where the majority of our earth’s carbon concentrations emerge from, the natural processes that occur to keep carbon in our atmosphere, and the human effects on the carbon cycle. Equally important, the week number that is being addressed in this particular discussion summary is from week 4. The date that I posted this discussion was September 28, 2023. This discussion from an overall viewpoint is about the surprising perception of the “Do the Math –The Movie” and Global Carbon Atlas. The tone of the paragraph was surprising and was dictated by the fact that I have taken many chemistry courses and have been told my entire undergraduate career that in order to fully understand and interpret a global complication, there must be numerous amounts of quantities of data that back up the reasoning of concern. Consequently, due to the fact that three quantities

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