Projecting Visibility Changes-PPT课件

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cted Visibility Changes andSignificance Calculations using the WRAP CMAQ Modeling ResultsWRAP Regional Modeling Center (RMC) University of California at Riverside, CE-CERT ENVIRON International CorporationPresents:/slides/ralph/RPO Modeling apr2302.pptcting Visibility Changes? Key to Regional Haze Rule (RHR) ? Must show visibility progress in Section 308 SIPs that meet targets ? Need to project visibility improvements in Section 309 SIPs (no specific targets)? EPA Draft Guidance uses models in a relative sense to estimate changes in visibility from 2019 to 2018 for Section 308 SIPsPresents:/slides/ralph/RPO Modeling apr2302.pptVisibility Significance Calculation? Regional Haze Rule (RHR) Section 309Requirements:– Determine whether emissions from Mobile Sourcesor Road Dust contribute “significantly” to visibility impairment at any of the 16 Class I areas on the Colorado Plateau – If either Mobile Sources or Road Dust are found to contribute “significantly”, then:? Mobile Sources: emissions budgets and trackingsystem must be established ? Road Dust: “necessary and appropriate emissions management strategies” must be implementedPresents:/slides/ralph/RPO Modeling apr2302.pptProposed Procedures for Projecting Visibility Improvements/Significance Calculations? Based on: – Recommendations from the WRAP Mobile Sources Forum Draft June 10, 2019 document – EPA’s Draft Guidance for showing visibility progress as part of the RHR (several documents) – Availability of visibility measurements and modeling results? 2019 Baseline Measurements and Estimates ? 2018 Projected Estimates– Discussions among WRAP participantsPresents:/slides/ralph/RPO Modeling apr2302.ppt? Apply to all Mobile Source or Road DustWRAP Mobile Source Forum (06/10/02) Proposed Cumulative “Significance” Testemissions in the 9 transport states– Significance Metric = Percent change in extinctionover a clean natural background for worst days, ?Bext (~ ? dv/10) – If ? Bext < 10% (? dv < 1):? ? Bext > 5% threshold is used for individual urbanarea or state/reservation.– If ? Bext ?10% (? dv ? 1):? ? Bext > 1% threshold is used, unless region is foundto be in the lowest 20% of contributionsPresents:/slides/ralph/RPO Modeling apr2302.pptEPA Draft Guidance for Showing Progress as part of the Regional Haze Rule? Progress based on changes in extinction for the mean of the Worst 20% (W20) and Best 20% (B20) observed visibility days? Modeling results are used in a relative basis using Relative Reduction Factors (RRFs), the ratio of future-year to base-year model estimates, to scale the observed visibility – RRFs are applied on a species-by-species basis – RRFs are estimated for each Class I areaPresents:/slides/ralph/RPO Modeling apr2302.pptAvailability of WRAP Modeling Results? 2019 Base Case and 2018 Base Case and EmissionControl Scenari

专业级全接口无线投影说明书-中英文版v4_图文

came with Windows 8.1 or Windows RT 8.1 , you’re ready to add the wireless display to your PC to complete the connection, and start projecting. ...[本文更多相关]

struts2知识大全

(scope)内读取 userName 属性,直到找 到为止 2、用于过滤和投影(projecting)集合,如 books.{?#this.price<100}; 3、构造 Map,如#{'foo1':'bar1', 'foo...[本文更多相关]

英语方位名词

Projecting Ends 斜井形 Projecting Diamond 内直线菱形 Line in Diamond 内三线突角菱形 Three Line in Projecting Diamond 三菱形 Three Diamond 附耳菱形 Diamond ...[本文更多相关]

建筑专业英语50个短语

projecting charting 投影制图 29、projecting line 投射线 30、projectingplane 三面投影图 31、engineering application program 工程应用程序 32、interactive graphics ...[本文更多相关]

2017年6月大学英语六级真题及答案解析(全三套)

To her, it meant moving confidently around the court room, using convincing body language and projecting her voice, so it could be heard from the judge...[本文更多相关]

有关形状的英文

Projecting Ends 斜井形 Projecting Diamond 内直线菱形 Line in Diamond 内三线突角菱形 Three Line in Projecting Diamond 三菱形 Three Diamond 附 耳菱形 Diamond...[本文更多相关]

projection

投影projection - 投影 projection 投影中心 center of projection 投影面 projecting plane 投影线 projecting line ...[本文更多相关]

公差术语

公差术语 - 投影 projection 投影中心 center of projection 投影面 projecting plane 投影线 projecting line 中心投影法 per...[本文更多相关]

工程图用英语词汇

工程图用英语词汇 - 投影 projection 投影中心 center of projection 投影面 projecting plane 投影线 projecting line 中心投影法...[本文更多相关]

机械绘图中常用英语对照

机械绘图中常用英语对照 - cad 绘图中常用英语对照 投影 projection 投影中心 center of projection 投影面 projecting plane 投影线 pro...[本文更多相关]

弹性景观_未来风景园林实践的走向

With the aim of projecting harmonious, humanistic and sustainable forms of landscape architecture, processes of urbanism, and future cities and communities, ...[本文更多相关]

英语每日学三百句

17. There has been a dramatic increase in the spread of HIV/AIDS in recent years , with a new study projecting that the dreaded disease will affect ...[本文更多相关]

Alias Studio 软件家族简介

利用曲面下的projecting curves,能很容易修整多余的曲面。对于对称的物体,可以只对模型的一半作处理,然后用mirror功能再作一次对称处理。Birail是用来生成高级曲面的...[本文更多相关]

第一部分 英汉微积分词汇

projecting cylinder 投影 projection 平面的点法式方程 pointnorm form eqyation of a plane 法向量 normal vector 平面的一般方程 general form equation of a ...[本文更多相关]

第一部分:函数.txt

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第三部分 三角函数.txt

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土木工程毕业设计论文翻译

element can be connected to each other in such a way that the entire building acts as a hollow tube or rigid box in projecting out of the ground. ...[本文更多相关]

21世纪大学英语第一册08

Indeed, estimating the time it would take proved to be as difficult as projecting the development schedule of a major software project. The only part ...[本文更多相关]

21世纪大学英语第一册04.txt

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21世纪大学英语第一册05.txt

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21世纪大学英语第一册06.txt

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21世纪大学英语第一册07.txt

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cadkey

onto a surface P------投影线至面Create splines by projecting curves onto a surface Q------作线的指令列表Create a line R------面倒不等比R角...[本文更多相关]

职场秘籍:上司希望你明白的24件事

yourself thinking"I never would have expected such behaviour from her", you know you've made the mistake of projecting your outlook on to others' ...[本文更多相关]

中文经典英译

F. Kennedy in projecting a broad vision of America -a nation of renewed military strength, individual initiative, and smaller federal government. (参考译文...[本文更多相关]

16-Nehemiah (蠢庆固具)

3:27 Next to them, the men of Tekoa repaired another section, from the great projecting tower to the wall of Ophel. 3:28 Above the Horse Gate, ...[本文更多相关]

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