Climate, land-use, energy and water systems (CLEWs) models are tools for simultaneous consideration of food, energy and water security. They are designed to assess how production and use of these resources may contribute to climate change, and how climate change may affect resource systems. By comparing different technologies and value chains, such models can identify pressure points, and indicate synergies and trade-offs to reach development goals. CLEWs can analyse policy decisions on issues such as the promotion of clean energy, competition for water and agricultural modernization.
This course introduces the CLEWs approach and is designed to provide learners with a conceptual understanding of the tool. Subject matter is delivered in 11 lectures. These introduce first the key development challenges and policy issues associated with climate, food, energy, and water security. Then they describe how the CLEWs modelling tool can be used to represent these systems and assess related sustainable development strategies. The lectures are accompanied by a set of hands-on exercises that take the learner through the steps of building a CLEWs model from scratch: defining model components, linking them together in an integrated system representation, populating the model with data, running a model, and interpreting results.
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The lecture is structured in four parts. The first part explains the concepts of energy system and energy planning. The second part introduces the use of modelling tools to help energy planners. The third part dives into the first more technical concept: the Reference Energy System. Finally, the fourth part explains how a Reference Energy System can be designed.
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This lecture aims to provide background knowledge about energy modelling tools. The first part introduces common classifications of energy modelling tools. The second part introduces OSeMOSYS and its scope. The third part illustrates key applications of OSeMOSYS. The fourth part describes the structure and characteristics of an OSeMOSYS model. By the end of this lecture, you will be able to: describe different types of energy modelling tools and their use; describe OSeMOSYS and its role among different energy modelling tools; reflect upon key applications and uses of OSeMOSYS; identify key characteristics and elements of OSeMOSYS.
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This lecture dives deeper into how technologies are modelled. The concepts explained in the lecture apply to OSeMOSYS, but can be seen as general and also applicable to several other tools. The focus will lie on the representation of energy technologies, but similar concepts can also be applied to the representation of water and land uses. This will become clearer further into the course. By the end of this lecture you are expected to gain: familiarity with components and processes of an energy system model; conceptual understanding of the most important parameters for the representation of technologies in an energy system model; conceptual understanding of different costs associated with energy technologies; and finally, conceptual understanding of the impact of technology costs on the role of technologies in the energy supply.
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This lecture describes the role of time in energy planning and how time may be represented in energy system models. By the end of the lecture, you will be able to:
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This lecture introduces the second system in the climate, land, energy, and water representation: land. The lecture focuses especially on how land use can be modelled using OSeMOSYS. This lecture has three intended learning outcomes. First, is to understand the distinction between land cover and land use, as well as to understand the importance and relevance of modelling land use. Second, is an exploration of an example of modelling land use in order to better understand its applications. And finally, during this lecture you will learn the basics of how to model land use in OSeMOSYS.
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This lecture has four intended Learning outcomes. By the end of this lecture, you will: Gain familiarity with the components of the water cycle and the state of water availability on earth. Understand the need for sustainable utilization and management of water resources Understand the basics of global water balance Gain familiarity with the role of Precipitation and Evapotranspiration in maintaining the water balance
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By the end of this lecture, you will: 1: Become familiar with the contribution of land-use, land-use change, and the energy sector in climate change, as well as the vulnerability of land, energy, and water systems to climate change 2: Learn the ways in which energy and water systems are interlinked and what the associated policy questions are 3: Learn the ways in which energy and land systems are interlinked and what the associated policy questions are 4: Learn the ways in which land and water systems are interlinked and what the associated policy questions are
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By the end of this lecture, you will be able to:
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This lecture has three intended Learning outcomes. By the end of this lecture, you will:
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This lecture concludes the course. So far, the course focused on the representation of climate, land, energy, and water systems and their interlinkages in models. Now we conclude by mentioning some actions that governments can take to preserve these systems and mitigate climate change. The focus will lie on commonly adopted policies for climate change mitigation. By the end of the lecture, you will be able to: