海の熱波による熱移動

Michael G Jacox^1,2,3, Michael A Alexander⁴, Steven J Bograd^5,6

¹NOAA Southwest Fisheries Science Center, Monterey, CA, USA. michael.jacox@noaa.gov.

Nature

|August 8, 2020

まとめ

海の熱波は海洋生態系に大きな変化をもたらします熱移転という新しい測定法により MHWは長期の温暖化傾向に匹敵する何千キロメートルもの範囲で種の生息地を変化させています

科学分野:

海洋学
海洋生態学
気候科学

背景:

海洋熱波 (MHW) は,生態系と社会経済に重大な影響を及ぼす,長期にわたる異常な温暖な海洋温度です.
現在のMHWの分析は適した生息地を探している海洋生物の空間的変化を無視して局所的な温度異常に焦点を当てています

さらに関連する動画

07:37

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

19.3K

08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

6.3K

関連する概念動画

01:20

Mechanisms of Heat Transfer II

4.0K

In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...

4.0K

01:14

Mechanisms of Heat Transfer

1.5K

Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...

1.5K

01:14

Mechanisms of Heat Transfer I

5.7K

Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.

5.7K

01:50

Global Climate Change

28.3K

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.

28.3K

01:19

Mechanism of heat transfer

1.7K

Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...

1.7K

01:19

Homeostatic Imbalances in Body Temperature

3.2K

Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...

3.2K