Skip to content

Commit

Permalink
ch03_辐射与能量平衡
Browse files Browse the repository at this point in the history
  • Loading branch information
kongdd committed Nov 29, 2024
1 parent 0ad0be1 commit b517635
Show file tree
Hide file tree
Showing 5 changed files with 45 additions and 25 deletions.
5 changes: 4 additions & 1 deletion .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,12 @@ node_modules/
课件
*backup*

*地信研究生*
汇报
*研究生*
*讲座*

*game*

*lock*
*__temp__*
libs
Expand Down
12 changes: 7 additions & 5 deletions build_pdf.ps1
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# npx @marp-team/marp-cli --server ./slides
# SumatraPDF $fout
$env:PUPPETEER_TIMEOUT = 3600
$env:PUPPETEER_TIMEOUT = 36000

function build_marp{
param (
Expand Down Expand Up @@ -35,12 +35,14 @@ function build_marp{
$options = "--pdf --pdf-outlines true --pdf-outlines.pages false" #
# $options = "--pptx"

# build_marp "./ch02_大气的基本特征.md"
# build_marp "./ch03_位势高度与气压场.md"
# build_marp "./ch04_第1讲-水汽通量与暴雨分析.md"
# build_marp "./ch04_第2讲-辐散与垂直运动.md"
# build_marp "./ch05_辐射三定律.md"
# build_marp "./ch05_热浪研究方法.md"

# build_marp "ch02_基础的水文气象变量.md"
build_marp "./ch3.1_辐射与能量平衡.md"
build_marp "./ch3.2_辐射三定律.md"

# build_marp "./ch05_太阳辐射.md"
# build_marp "./ch06_大气环流.md"
# build_marp "./ch07_天气系统.md"
Expand All @@ -52,7 +54,7 @@ $options = "--pdf --pdf-outlines true --pdf-outlines.pages false" #
# build_marp "./求职/2023期满考核_V2.md"

# build_marp "ch00_课程介绍.md"
build_marp "./汇报/湖北山洪项目2024.md"
# build_marp "./汇报/湖北山洪项目2024.md"
# build_marp "ch01_绪论.md"
# build_marp "ch01_补充_全球气候变化.md"
# build_marp "ch01_补充_天气学网站.md"
Expand Down
4 changes: 2 additions & 2 deletions ch02_基础的水文气象变量.md
Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,6 @@ theme: 'beamer'
---

<!-- Global style -->
<style>
</style>

# 1. 大气的成分与垂直结构

Expand Down Expand Up @@ -409,6 +407,7 @@ b. 水汽密度不易求。因此,通常替换成空气密度。
> Q2: 假设地表净辐射$R_n$为$100 W/m^2$,能量全部转化为蒸发,一天的蒸发量是多少?

> Q3: 单位体积空气,已知空气密度$\rho$, $q_1$, $q_2$,写出LE的表达式
> Q4: 与Q3相同,只是$q$换为$e$,已知$e_1$,$e_2$,写出LE的表达式
Expand All @@ -417,6 +416,7 @@ b. 水汽密度不易求。因此,通常替换成空气密度。
冰面温度−40℃ ~ 0℃时,升华潜热近似为常数。

$$
\lambda_s = 2.5 + 0.334, (MJ/kg)
$$

Expand Down
38 changes: 21 additions & 17 deletions ch03_太阳辐射.md → ch3.1_辐射与能量平衡.md
Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,19 @@ paginate: true
# size: 4:3
# header: 'Header space'
# footer: 'Footer space'
title: 'ch05_辐射与能量平衡'
title: 'ch03_辐射与能量平衡'
# theme: nordic-beamer
theme: 'my-theme'
---

<!-- page_number: true -->

<h1>水文气象学</h1>
<h2>ch05. 辐射与热量平衡</h2>
<h2>ch03. 辐射与能量平衡</h2>

<br>

> 葛朝霞等,__气象学与气候学教程__,中国水利水电出版社(第2版)
>
> - 2 辐射与热量平衡
<!-- > - 3.7 局地温度变化 -->
Expand Down Expand Up @@ -62,8 +61,7 @@ theme: 'my-theme'
| 辐射通量密度 $F$ | 单位时间、单位面积通过的辐射能 | $W m^{-2}$ |
| 辐射强度 $I$ | 单位时间、单位面积、单位弧度角,通过的辐射能 | $W m^{-2} sr^{-1}$ |


$$I = \frac{\Delta F}{ \Delta t ~\Delta S ~\Delta \omega}$$
$$I = \frac{\Delta F}{ \Delta t ~\Delta S ~\Delta \omega}$$

> 注:此处的$\Delta S$是正交投影面积
Expand All @@ -81,9 +79,13 @@ $$

<h4>应用:</h4>

$$I = \frac{\Delta F}{ \Delta t ~\Delta S ~\Delta \omega}$$

- 日地距离,辐射通量密度的关系

![](images/ch05_辐射与能量平衡/日地距离-01.png)
![width:16cm](images/ch05_辐射与能量平衡/日地距离-01.png)
<!-- ![bg right:50% 95%](images/ch05_辐射与能量平衡/日地距离-01.png) -->


---

Expand Down Expand Up @@ -152,11 +154,10 @@ $$

![](images/ch05_辐射与能量平衡/散射-03.png)

---

<!--
<h4>温室效应</h4>
![bg right:90% h:18cm](images/ch05_辐射与能量平衡/温室效应.png)
![bg right:90% h:18cm](images/ch05_辐射与能量平衡/温室效应.png) -->

---

Expand Down Expand Up @@ -287,24 +288,27 @@ $Q_s$是大气层顶接收到的理论太阳辐射(Rs_toa,top of atmosphere
---

- 地表
$$
Rns = 45, \\
Rl_{in} = 88, Rl_{out} = 104 \\
Rn = 45 + 88 - 104 = 29 \\
Rn = H + \lambda E
$$

$$
\begin{align*}
Rns &= 45, \\
Rl_{in} &= 88, Rl_{out} = 104 \\
Rn &= 45 + 88 - 104 = 29 \\
Rn &= H + \lambda E
\end{align*}
$$

- 大气

---

#### 5.0.0.1. 感热($H$)
<h4> 感热H</h4>

![h:14cm](images/ch05_辐射与能量平衡/感热公式-01.png)

---

#### 5.0.0.2. 潜热($\lambda E$)
<h4>潜热LE</h4>

$$
\begin{align*}
Expand Down
11 changes: 11 additions & 0 deletions ch3.2_辐射三定律.md
Original file line number Diff line number Diff line change
@@ -1,3 +1,14 @@
---
marp: true
paginate: true
# size: 4:3
# header: 'Header space'
# footer: 'Footer space'
title: 'ch03_辐射与能量平衡'
# theme: nordic-beamer
theme: 'my-theme'
---

# 1. 辐射的基本定理

<h2>黑体 (Blackbody)</h2>
Expand Down

0 comments on commit b517635

Please sign in to comment.