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Global Warming II: Create Your Own Models in Python

位教师：David Archer

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5个模块

深入了解一个主题并学习基础知识。

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4 周完成

在 10 小时一周

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自行安排学习进度

5个模块

深入了解一个主题并学习基础知识。

57 条评论

4 周完成

在 10 小时一周

灵活的计划

自行安排学习进度

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作业

6 任务¹

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授课语言：英语（English）

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该课程共有5个模块

This class provides a series of Python programming exercises intended to explore the use of numerical modeling in the Earth system and climate sciences. The scientific background for these models is presented in a companion class, Global Warming I: The Science and Modeling of Climate Change. This class assumes that you are new to Python programming (and this is indeed a great way to learn Python!), but that you will be able to pick up an elementary knowledge of Python syntax from another class or from on-line tutorials.

单元详情

This class is intended to complement a Coursera class called Global Warming I: The Science and Modeling of Climate Change, which presents much of the background to the material here. In this class you'll be using spreadsheets (maybe) and Python (definitely) to do some simple numerical calculations on topics in Earth System Science. The model you'll be working on this week is based on material from Unit 3 of that class, called First Climate Model.

涵盖的内容

2个视频6篇阅读材料1个作业1个编程作业1次同伴评审

2个视频总计7分钟

Welcome4分钟
How the Model Works3分钟

6篇阅读材料总计60分钟

Scripting and Spreadsheets10分钟
Tips for Using Spreadsheets for Numerical Simulation10分钟
Tips for Getting Started Coding10分钟
Model Formulation10分钟
How to Solve Using a Spreadsheet10分钟
How to Encode into Python or Fortran10分钟

1个作业总计30分钟

Code Tricks: Heat Capacity, Time Steps, and Equilibration Time30分钟

1个编程作业总计180分钟

Code Check180分钟

1次同伴评审总计120分钟

Code Review120分钟

The ideas behind this model were explained in Unit 7, Feedbacks, in Part I of this class. First we get to generate simple linear "parameterization" functions of planetary albedo and the latitude to which ice forms (colder = lower latitude ice). Second, for any given value of the solar constant, L, we'll use iteration to find consistent values of albedo and T, to show the effect of the ice albedo feedback on Earth's temperature, running away to fall into the dreaded "snowball Earth".

涵盖的内容

1个视频3篇阅读材料1个作业1个编程作业1次同伴评审

1个视频总计5分钟

How the Model Works5分钟

3篇阅读材料总计30分钟

Parameterized Relationship Between T, Ice Latitude, and Albedo10分钟
Spreadsheet Instructions10分钟
Coding Instructions10分钟

1个作业总计30分钟

Code Trick: Hysteresis Into and Out Of the Snowball30分钟

1个编程作业总计180分钟

Code Check180分钟

1次同伴评审总计60分钟

Code Review60分钟

Ice flows like extra-thick molasses, downhill. The shape of the ice sheet (altitude versus distance across) is determined by the relationship between ice surface slope and the flow rate of the ice.