Ecosystem Thermodynamics Aiko Huckauf Review Ecosystem Thermodynamics Ecosystem Thermodynamics Introduction Matter Presentation given in the course of the Energy Entropy Master’s Programme Exergy Illustration Environmental Management Dissipative Structures Emergy – Module 2.1.1 “Ecosystem Analysis” – References Aiko Huckauf Ecology Centre Kiel 2006-07-05 Ecosystem Thermodynamics Review Aiko Huckauf Review Ecosystem Thermodynamics Introduction Matter Energy Last time: Thermodynamics 101 Entropy Exergy I Some remarks about the history of Illustration Dissipative Structures thermodynamics Emergy References I Classical vs. statistical thermodynamics I The fundamental laws of thermodynamics, e. g. I First Law: Conservation of Energy (dU = 0) I Second Law: Increase of Entropy (∆S > 0) Ecosystem Thermodynamics Review Aiko Huckauf Review Ecosystem Thermodynamics Introduction Matter Energy Last time: Thermodynamics 101 Entropy Exergy I Some remarks about the history of Illustration Dissipative Structures thermodynamics Emergy References I Classical vs. statistical thermodynamics I The fundamental laws of thermodynamics, e. g. I First Law: Conservation of Energy (dU = 0) I Second Law: Increase of Entropy (∆S > 0) Ecosystem Thermodynamics Review Aiko Huckauf Review Ecosystem Thermodynamics Introduction Matter Energy Last time: Thermodynamics 101 Entropy Exergy I Some remarks about the history of Illustration Dissipative Structures thermodynamics Emergy References I Classical vs. statistical thermodynamics I The fundamental laws of thermodynamics, e. g. I First Law: Conservation of Energy (dU = 0) I Second Law: Increase of Entropy (∆S > 0) Ecosystem Thermodynamics Review Aiko Huckauf Review Ecosystem Thermodynamics Introduction Matter Energy Last time: Thermodynamics 101 Entropy Exergy I Some remarks about the history of Illustration Dissipative Structures thermodynamics Emergy References I Classical vs. statistical thermodynamics I The fundamental laws of thermodynamics, e. g. I First Law: Conservation of Energy (dU = 0) I Second Law: Increase of Entropy (∆S > 0) Ecosystem Thermodynamics Review Aiko Huckauf Review Ecosystem Thermodynamics Introduction Matter Energy Last time: Thermodynamics 101 Entropy Exergy I Some remarks about the history of Illustration Dissipative Structures thermodynamics Emergy References I Classical vs. statistical thermodynamics I The fundamental laws of thermodynamics, e. g. I First Law: Conservation of Energy (dU = 0) I Second Law: Increase of Entropy (∆S > 0) Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Introduction Review Ecosystem Thermodynamics Introduction Matter Energy I Do ecosystems obey the laws of thermodynamics? Entropy Exergy Yes, of course - as far as they are applicable. Illustration Dissipative Structures Emergy I Is thermodynamics a useful tool to explain References ecosystem functioning? Well... I Do additional concepts make things clearer/easier? Decide yourself. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Matter Review Ecosystem Thermodynamics Introduction Matter According to the mass conservation principle, matter Energy Entropy can be used, but not used up: Exergy Illustration I Matter can be converted from one form into Dissipative Structures Emergy another, but not consumed. References I Ecosystems are characterised by constant flows and transformations of matter: I Carbon cycle I Nitrogen cycle I Phosphorus cycle I Water cycle Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Matter Review Ecosystem Thermodynamics Introduction Matter According to the mass conservation principle, matter Energy Entropy can be used, but not used up: Exergy Illustration I Matter can be converted from one form into Dissipative Structures Emergy another, but not consumed. References I Ecosystems are characterised by constant flows and transformations of matter: I Carbon cycle I Nitrogen cycle I Phosphorus cycle I Water cycle Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Matter Review Ecosystem Thermodynamics Introduction Matter According to the mass conservation principle, matter Energy Entropy can be used, but not used up: Exergy Illustration I Matter can be converted from one form into Dissipative Structures Emergy another, but not consumed. References I Ecosystems are characterised by constant flows and transformations of matter: I Carbon cycle I Nitrogen cycle I Phosphorus cycle I Water cycle Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Matter Review Ecosystem Thermodynamics Introduction Matter According to the mass conservation principle, matter Energy Entropy can be used, but not used up: Exergy Illustration I Matter can be converted from one form into Dissipative Structures Emergy another, but not consumed. References I Ecosystems are characterised by constant flows and transformations of matter: I Carbon cycle I Nitrogen cycle I Phosphorus cycle I Water cycle Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Energy Review Ecosystem Thermodynamics Introduction Matter Energy Entropy According to the First Law of Thermodynamics, Exergy = Illustration dU 0, energy can be used, but not used up: Dissipative Structures Emergy I Energy can neither be created nor destroyed. References I Energy can be converted from one form into another, but not consumed. I Ecosystems are characterised by constant flows and transformations of energy. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Energy Review Ecosystem Thermodynamics Introduction Matter Energy Entropy According to the First Law of Thermodynamics, Exergy = Illustration dU 0, energy can be used, but not used up: Dissipative Structures Emergy I Energy can neither be created nor destroyed. References I Energy can be converted from one form into another, but not consumed. I Ecosystems are characterised by constant flows and transformations of energy. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Energy Review Ecosystem Thermodynamics Introduction Matter Energy Entropy According to the First Law of Thermodynamics, Exergy = Illustration dU 0, energy can be used, but not used up: Dissipative Structures Emergy I Energy can neither be created nor destroyed. References I Energy can be converted from one form into another, but not consumed. I Ecosystems are characterised by constant flows and transformations of energy. Ecosystem Thermodynamics Ecosystem Thermodynamics Aiko Huckauf Conservation of Energy Review Ecosystem Thermodynamics Introduction Matter Energy Entropy According to the First Law of Thermodynamics, Exergy = Illustration dU 0, energy can be used, but not used up: Dissipative Structures Emergy I Energy can neither be created nor destroyed. References I Energy can be converted from one form