L1013004 Hydrospheric Environmental ScienceI

Hiroshima University Syllabus

Japanese

Academic Year 2026Year School/Graduate School School of Applied Biological Science

Lecture Code L1013004 Subject Classification Specialized Education

Subject Name 水圏環境学I

Subject Name
（Katakana）スイケンカンキョウガクI

Subject Name in
English Hydrospheric Environmental ScienceI

Instructor HASHIMOTO TOSHIYA

Instructor
(Katakana) ハシモト　トシヤ

Campus Higashi-Hiroshima Semester/Term 2nd-Year,  Second Semester,  4Term

Days, Periods, and Classrooms (4T) Thur1-4：ABS C301

Lesson Style Lecture Lesson Style
(More Details) Face-to-face, Online (on-demand)

Lecture ( Face-to-face and Hirodai moodle system )

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

Course Level 2 : Undergraduate Low-Intermediate

Course Area（Area） 26 : Biological and Life Sciences

Course Area（Discipline） 01 : Agricultural Sciences

Eligible Students 2 ,3, 4 Year Second Semester (Semester No 4, 6, 8 )

Keywords SDG_07, SDG_14,  Sea Water, Current, Wave, Tide, Primary production, Power generation utilizing ocean energy,Practical work experience

Special Subject for Teacher Education 　 Special Subject 　

Class Status
within Educational
Program
(Applicable only to targeted subjects for undergraduate students) Understanding of basic knowledge about the physical and biological environment in coastal waters
Criterion referenced
Evaluation
(Applicable only to targeted subjects for undergraduate students) Integrative Hydrospheric Science Program
（Knowledge and Understanding）
・To comprehensively understand morphological, ecological, physiological, pathological, biochemical, and genetic features of various creatures in hydrosphere.
・To understand physiological, pathological, biochemical, genetic systems which are required for management and expansion of fishing resource.
・Understanding on relation between form and ecology of hydrosphere organisms and hydrosphere environment

Class Objectives
/Class Outline Understanding of basic knowledge about the physical and biological environment in coastal waters

Class Schedule lesson1  Importance of Oceanography
lesson2  Characteristic of seawater (1) Temperature, Salinity, Density, Water mass
lesson3  Characteristic of seawater (2) CTD profiler, Thermohaline circulation
lesson4  Characteristic of seawater (3) Stratification, Vertical mixing, Attenuation coefficient
lesson5  Characteristic of seawater (4) Attenuation coefficient, Secchi disk depth
lesson6  Current (1) Western boundary current, Wind-driven current, Saltwater wedge
lesson7  Current (2) Estuary weir, Coriolis force, Foucault's pendulum
lesson8  Current (3) Geostrophic current, Ekman transport, Coastal upwelling
lesson9  Wave (1) Significant wave
lesson10 Wave (2) Tsunami, Breaking wave, Spectrum analysis
lesson11 Tide (1) Equilibrium tide
lesson12 Tide (2) Spring tide, Neap tide
lesson13 Tide (3) Harmonic analysis, Seiche, Tidal current
lesson14 Marine biology(1) primary production
lesson15 Marine biology(2) Critical depth, Seto Inland Sea

lesson 16 final examination ( face-to-face system )

Text/Reference
Books,etc. None
Document fiiles are distributed by LMS system ( Hirodai moodle ).

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

(More Details) Power Point data ( LCD projector ), Lecture movie

Learning techniques to be incorporated Quizzes/ Quiz format

Suggestions on
Preparation and
Review Using the online learning support system for preparations, lessons review and mini examination

Requirements

Grading Method Final examination (70%) and  mini examination at each lesson (30%)

Practical Experience Experienced

Summary of Practical Experience and Class Contents based on it Lecturer　(Hashimoto) was employed at the meteorological service company.

Message

Other

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	2026Year	School/Graduate School	School of Applied Biological Science
Lecture Code	L1013004	Subject Classification	Specialized Education
Subject Name	水圏環境学I
Subject Name （Katakana）	スイケンカンキョウガクI
Subject Name in English	Hydrospheric Environmental ScienceI
Instructor	HASHIMOTO TOSHIYA
Instructor (Katakana)	ハシモト　トシヤ
Campus	Higashi-Hiroshima	Semester/Term	2nd-Year, Second Semester, 4Term
Days, Periods, and Classrooms	(4T) Thur1-4：ABS C301
Lesson Style	Lecture	Lesson Style (More Details)	Face-to-face, Online (on-demand)
Lecture ( Face-to-face and Hirodai moodle system )
Credits	2.0	Class Hours/Week	4	Language of Instruction	J : Japanese
Course Level	2 : Undergraduate Low-Intermediate
Course Area（Area）	26 : Biological and Life Sciences
Course Area（Discipline）	01 : Agricultural Sciences
Eligible Students	2 ,3, 4 Year Second Semester (Semester No 4, 6, 8 )
Keywords	SDG_07, SDG_14, Sea Water, Current, Wave, Tide, Primary production, Power generation utilizing ocean energy,Practical work experience
Special Subject for Teacher Education		Special Subject
Class Status within Educational Program (Applicable only to targeted subjects for undergraduate students)	Understanding of basic knowledge about the physical and biological environment in coastal waters
Criterion referenced Evaluation (Applicable only to targeted subjects for undergraduate students)	Integrative Hydrospheric Science Program （Knowledge and Understanding）・To comprehensively understand morphological, ecological, physiological, pathological, biochemical, and genetic features of various creatures in hydrosphere. ・To understand physiological, pathological, biochemical, genetic systems which are required for management and expansion of fishing resource. ・Understanding on relation between form and ecology of hydrosphere organisms and hydrosphere environment
Class Objectives /Class Outline	Understanding of basic knowledge about the physical and biological environment in coastal waters
Class Schedule	lesson1 Importance of Oceanography lesson2 Characteristic of seawater (1) Temperature, Salinity, Density, Water mass lesson3 Characteristic of seawater (2) CTD profiler, Thermohaline circulation lesson4 Characteristic of seawater (3) Stratification, Vertical mixing, Attenuation coefficient lesson5 Characteristic of seawater (4) Attenuation coefficient, Secchi disk depth lesson6 Current (1) Western boundary current, Wind-driven current, Saltwater wedge lesson7 Current (2) Estuary weir, Coriolis force, Foucault's pendulum lesson8 Current (3) Geostrophic current, Ekman transport, Coastal upwelling lesson9 Wave (1) Significant wave lesson10 Wave (2) Tsunami, Breaking wave, Spectrum analysis lesson11 Tide (1) Equilibrium tide lesson12 Tide (2) Spring tide, Neap tide lesson13 Tide (3) Harmonic analysis, Seiche, Tidal current lesson14 Marine biology(1) primary production lesson15 Marine biology(2) Critical depth, Seto Inland Sea lesson 16 final examination ( face-to-face system )
Text/Reference Books,etc.	None Document fiiles are distributed by LMS system ( Hirodai moodle ).
PC or AV used in Class,etc.	Handouts, Visual Materials, moodle
(More Details)	Power Point data ( LCD projector ), Lecture movie
Learning techniques to be incorporated	Quizzes/ Quiz format
Suggestions on Preparation and Review	Using the online learning support system for preparations, lessons review and mini examination
Requirements
Grading Method	Final examination (70%) and mini examination at each lesson (30%)
Practical Experience	Experienced
Summary of Practical Experience and Class Contents based on it	Lecturer　(Hashimoto) was employed at the meteorological service company.
Message
Other
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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