63400101 Earth and Life

Hiroshima University Syllabus

Japanese

Academic Year 2025Year School/Graduate School Liberal Arts Education Program

Lecture Code 63400101 Subject Classification Area Courses

Subject Name 地球と生物［旧パッケージ］

Subject Name
（Katakana）チキュウトセイブツ

Subject Name in
English Earth and Life

Instructor OZAWA HISASHI

Instructor
(Katakana) オザワ　ヒサシ

Campus Higashi-Hiroshima Semester/Term 1st-Year,  First Semester,  2Term

Days, Periods, and Classrooms (2T) Mon1-4：IAS K210

Lesson Style Lecture Lesson Style
(More Details) Face-to-face

Lecture-oriented format, PowerPoint will be used.

Credits 2.0 Class Hours/Week 4 Language of Instruction J : Japanese

Course Level 1 : Undergraduate Introductory

Course Area（Area） 25 : Science and Technology

Course Area（Discipline） 03 : Natural Environment

Eligible Students Undergraduate students

Keywords Earth, climate, life, energy

Special Subject for Teacher Education 　 Special Subject 　

Class Status within
Liberal Arts Education Area Courses（Courses in Natural Sciences)　Category：Natural Environment / Civil Infrastructure
Expected Outcome 1. To learn the formation and evolution processes of the Earth and living systems.
2. To learn the concept for a general understanding of the whole natural phenomena.

Class Objectives
/Class Outline To learn characteristics of the Earth's climate and living systems from an open-system thermodynamic viewpoint, and realize their roles in the energy flux between the Sun and outer space.

Class Schedule    ・Introduction (1)
Part 1. Climate of the Earth (2-6)
   ・Electromagnetic radiation
   ・Global radiation balance
   ・Vertical temperature distribution
   ・Latitudinal radiation balance and heat transport
   ・Entropy production due to heat transport
Part 2. What is life? (7-12)
   ・Schlödinger's idea
   ・Prigogine's dissipative structure
   ・Life and death
   ・Biological evolution and dissipative structure
   ・Climate and biological systems
Part 3. The Earth system including the biosphere (13-15)
   ・Photosynthetic energy conversion and fossil fuels
   ・Co-evolution of life and climate: Lovelock's Gaia hypothesis
   ・Summary

Text/Reference
Books,etc. References:
a) Schrodinger, E. "What is Life?", Cambridge Univ. Press, 1944.
b) Lovelock, J. "The Ages of Gaia", Oxford Univ. Press, 1988.
c) 杉本大一郎「エントロピー入門:地球・情報・社会への適用」中公新書 774, 1985.

PC or AV used in
Class,etc. Handouts, moodle

(More Details) PowerPoint and converted PDF files.

Learning techniques to be incorporated Post-class Report

Suggestions on
Preparation and
Review Read the provided PDF files carefully together with the reference texts (a, b, c).

Requirements

Grading Method Your grade will be evaluated based on the following:
i) Final examination and/or final report (70%),
ii) Class participation and assignments (30%).

Practical Experience

Summary of Practical Experience and Class Contents based on it

Message Let us be inspired by the "living Earth".

Other https://home.hiroshima-u.ac.jp/hozawa/

Please fill in the class improvement questionnaire which is carried out on all classes.
Instructors will reflect on your feedback and utilize the information for improving their teaching.

Academic Year	2025Year	School/Graduate School	Liberal Arts Education Program
Lecture Code	63400101	Subject Classification	Area Courses
Subject Name	地球と生物［旧パッケージ］
Subject Name （Katakana）	チキュウトセイブツ
Subject Name in English	Earth and Life
Instructor	OZAWA HISASHI
Instructor (Katakana)	オザワ　ヒサシ
Campus	Higashi-Hiroshima	Semester/Term	1st-Year, First Semester, 2Term
Days, Periods, and Classrooms	(2T) Mon1-4：IAS K210
Lesson Style	Lecture	Lesson Style (More Details)	Face-to-face
Lecture-oriented format, PowerPoint will be used.
Credits	2.0	Class Hours/Week	4	Language of Instruction	J : Japanese
Course Level	1 : Undergraduate Introductory
Course Area（Area）	25 : Science and Technology
Course Area（Discipline）	03 : Natural Environment
Eligible Students	Undergraduate students
Keywords	Earth, climate, life, energy
Special Subject for Teacher Education		Special Subject
Class Status within Liberal Arts Education	Area Courses（Courses in Natural Sciences)　Category：Natural Environment / Civil Infrastructure
Expected Outcome	1. To learn the formation and evolution processes of the Earth and living systems. 2. To learn the concept for a general understanding of the whole natural phenomena.
Class Objectives /Class Outline	To learn characteristics of the Earth's climate and living systems from an open-system thermodynamic viewpoint, and realize their roles in the energy flux between the Sun and outer space.
Class Schedule	・Introduction (1) Part 1. Climate of the Earth (2-6) ・Electromagnetic radiation ・Global radiation balance ・Vertical temperature distribution ・Latitudinal radiation balance and heat transport ・Entropy production due to heat transport Part 2. What is life? (7-12) ・Schlödinger's idea ・Prigogine's dissipative structure ・Life and death ・Biological evolution and dissipative structure ・Climate and biological systems Part 3. The Earth system including the biosphere (13-15) ・Photosynthetic energy conversion and fossil fuels ・Co-evolution of life and climate: Lovelock's Gaia hypothesis ・Summary
Text/Reference Books,etc.	References: a) Schrodinger, E. "What is Life?", Cambridge Univ. Press, 1944. b) Lovelock, J. "The Ages of Gaia", Oxford Univ. Press, 1988. c) 杉本大一郎「エントロピー入門:地球・情報・社会への適用」中公新書 774, 1985.
PC or AV used in Class,etc.	Handouts, moodle
(More Details)	PowerPoint and converted PDF files.
Learning techniques to be incorporated	Post-class Report
Suggestions on Preparation and Review	Read the provided PDF files carefully together with the reference texts (a, b, c).
Requirements
Grading Method	Your grade will be evaluated based on the following: i) Final examination and/or final report (70%), ii) Class participation and assignments (30%).
Practical Experience
Summary of Practical Experience and Class Contents based on it
Message	Let us be inspired by the "living Earth".
Other	https://home.hiroshima-u.ac.jp/hozawa/
Please fill in the class improvement questionnaire which is carried out on all classes. Instructors will reflect on your feedback and utilize the information for improving their teaching.

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