Three-State Air Quality Study (3SAQS) Three-State Data Warehouse (3SDW) 3SAQS Pilot Project Modeling Overview University of North Carolina (UNC-IE) ENVIRON.

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Presentation transcript:

Three-State Air Quality Study (3SAQS) Three-State Data Warehouse (3SDW) 3SAQS Pilot Project Modeling Overview University of North Carolina (UNC-IE) ENVIRON International Corporation (ENVIRON) October 10, 2014

2 Summary 3SAQS Pilot Project Timeline and Deliverables Emissions Inventory Improvements Key Collaborations and Interactions Modeling Highlights – WRF Meteorology – SMOKE Emissions – CAMx Air Quality Oil and Gas Inventories Monitoring Network Analysis 3SDW Support and Tool Development Status and Next Steps

3 3SAQS Pilot Project Timeline OCT 2012 Pilot Project Start JAN 2013 EI Improvement Meetings With CO, UT, WY NOV-DEC 2012 CO, UT, WY 2008 EI Analysis and Evaluation FEB SAQS Monitoring Network Report OCT 2013 WRF 2011 Sensitivities AUG 2014 CAMx 2008b, WRF 2011, 2011 Oil & Gas EI, 2011a Emissions JUL 2014 Final 2008 Emissions OCT 2014 CAMx 2011a MPE SEP 2014 SMOKE 2011a NOV APR 2015 CAMx 2011 Sensitivities AUG 2012 CAMx 2008a JUN 2012 Emissions VOC Reactivity Analysis FEB-MAY EI Modeling MAR-JUN EI Modeling

4 3SAQS Pilot Project Major Deliverables Modeling Platforms – Modeling input/output data, software, and scripts – 2008 version A and B SMOKE and CAMx Base and Future Year (2020) – 2011 version A WRF, SMOKE, and CAMx Base and Future Year (2020) 4 Emissions – 2011 O&G inventory – Data updates for 3- state sources – 2008, 2011, 2020 inventories Fusion of NEI and 3- state inventories Monitoring Network Assessment

5 3SAQS Pilot Project Major Deliverables Key Analysis Products – Inventory comparisons – VOC reactivity analysis – Model performance evaluations CAMx 2008 WRF 2011 CAMx 2011 – Methane inventory analysis 5 Modeling Sensitivities – Boundary conditions – US background air quality – Ammonia emissions – Oil and gas emissions – Winter ozone

6 Key Findings: Meteorology Completed 2011 WRF modeling and evaluation 2008 and 2011 WRF performance acceptable and comparable WRF configuration based on systematic configuration testing Episodic performance issues, particularly for winter inversions 6 Observed May 2011 Total Precip (in.) WRF May 2011 Total Precip (in.)

7 Key Findings: Emissions New 2011 O&G EI 2008 > 2011 > 2020 – Trends vary by state/sector/pollutant – General decrease in emissions through time – Exception is VOC from O&G sources 7

8 Key Findings: Emissions Collaboration with CO, UT, WY state DAQs to obtain data, review emissions, and get feedback on protocols/evaluations Updates to key sectors/pollutants – Agricultural NH3 – point CAFO locations used to improve the spatial allocation of livestock emissions – On-road mobile – link-based VMT from CO used to improve spatial allocation of on-road mobile sources in CO – Review of 3SAQS updates to temporal and chemical speciation profiles for nonroad and nonpoint sources 8

9 Key Findings: Emissions 2020 – 2011 Emissions – Mostly decreases for all sectors/pollutants/states except O&G VOC/TOG – Plots show differences by state (CO, UT, WY) 9

10 Key Findings: Emissions 10

11 Key Findings: Emissions 11 Methane – 3SAQS one of the first U.S. regional CTM studies to look at active methane emissions – Tracer for important regional emissions sectors (O&G and ag) – O&G is the largest source in the current inventory – Missing significant agricultural sources: enteric fermentation and livestock waste

12 Emissions Reactivity RTOG = TOG * Profile Total MIR RTOG/TOG = Relative emission reactivity Key Findings: Emissions

13 Emissions Reactivity –Reactivity-based analysis of inventories focuses on sources with greatest ozone formation potential –Different sources are dominant using reactivity weighting vs. mass- based analysis –Reactivity analysis is dependent on validity of inventory and chemical speciation Key Findings: Emissions

14 Key Findings: Air Quality 2008 Annual 4 th Highest Daily Max 8-hour Average O3 14 Orange is the cutoff for different O3 standards 65 ppb 70 ppb 75 ppb

15 Key Findings: Air Quality 2020 Annual 4 th Highest Daily Max 8-hour Average O3 15 Orange is the cutoff for different O3 standards 65 ppb 70 ppb 75 ppb

16 Key Findings: Air Quality 16 4 th highest MDA8 O3 decreases up to 25 ppb Widespread decreases of 1-3 ppb for most of the 3-state region 1-3 ppb increases in O&G development areas 4 th highest MDA8 O3 decreases up to 25 ppb Widespread decreases of 1-3 ppb for most of the 3-state region 1-3 ppb increases in O&G development areas

17 Key Findings: Air Quality 17 4 th highest MDA8 O3 decreases up to 25 ppb Widespread decreases of 1-3 ppb for most of the 3-state region 1-3 ppb increases in O&G development areas 4 th highest MDA8 O3 decreases up to 25 ppb Widespread decreases of 1-3 ppb for most of the 3-state region 1-3 ppb increases in O&G development areas

18 Key Findings: Air Quality 2008 Annual 4 th Highest Daily Max 8-hour Average O3 18 Orange is the cutoff for different O3 standards 65 ppb 70 ppb 75 ppb

19 Key Findings: Air Quality 2011 Annual 4 th Highest Daily Max 8-hour Average O3 19 Orange is the cutoff for different O3 standards 65 ppb 70 ppb 75 ppb

20 Key Findings: Air Quality Annual Average PM Orange is the cutoff for 12 ug/m (2008-based)2011

Oil and Gas Emissions Development Activities 2011 base year inventories developed for all major basins in the 3 states – Uinta (UT) – Piceance (CO) – D-J (CO) – All Wyoming Basins (WY) – Raton Basin (CO/NM) – Paradox Basin (UT) – South San Juan Basin (NM) 2020 projections developed for all basins 2011/2020 emissions processed through SMOKE and model-ready

Oil and Gas Emissions Development Activities 2011 base year inventories provide updated county-level and by-source category NOx and VOC emissions Developed by projecting older inventories forward to 2011 considering changes in production and activity, as well as regulatory effects on emission sources Further projections conducted out to 2020 using historic development trends and forecasts, regulatory effects on inventories Emissions processed and gridded using SMOKE including industry-specific speciation profiles and detailed spatial allocation of wells and production

Forecasting Activity to gas production forecast in the Uinta Basin

Example Controls Analysis Federal regulatory controls in the Piceance Basin in 2020

Oil and Gas Inventory Results for 2011/2020 * Permitted emissions only

Example Emissions by Source Category 2011 NOx emissions by source category in the D-J Basin

Example Emissions by Source Category 2011 VOC emissions by source category in the D-J Basin

Example Emissions by County 2011 NOx emissions by county in the Uinta Basin

Example Processed and Gridded O&G Emissions June 2011 gridded oil and gas emissions in 4-km modeling domain

Ongoing Oil and Gas Tasks and Next Steps Ongoing work – Data mining of US EPA Tribal Minor New Source Review (MNSR) data on tribal land to improve emissions sources – Guidance document on incorporation of 3SAQS regional emissions into project analyses Potential future work – Improved projection methodologies for midstream and other permitted sources or sources provided by state agencies – Additional survey efforts to update key source category data in key basins

31 Monitoring Network Assessment Recommendations Operations Through 2017 Assessment of ozone monitoring data, meteorology, and unmonitored areas, as well as expected changes in emissions indicate that the existing 3SAQS cooperator group-funded site locations/areas should continue operating through Recommending slight changes to some existing site locations, as well as adding new sites. There are two sets of recommendations, for calendar 2014 and for 2015 to Assessment was reviewed and approved by the Steering Committee in May – Final assessment materials available on the 3-State Data Warehouse website ( ) 31

32 Prototype Web-Based Source Apportionment Visualization Tool Develop on-line tool for the 3SDW that can visualize ozone and PM source apportionment modeling results Use WestJumpAQMS state-specific and source category-specific ozone source apportionment results to test the tool – Daily maximum 8-hour ozone for Geographic (state- specific) and Source Category SA runs In 3SAQS will expand from 10 highest ozone days to all days and monitors in domain

33 SrcApp Visualization Selection Currently two options

Select Rocky Flats North, CO on July 9, 2008  Geographic  Source Category

35 Web-Based SA Visualization Tool Refine prototype SA visualization tool Populate with 3SAQS CAMx and CMAQ SA runs when available – Daily maximum 8-hour ozone and 24-hour PM2.5 concentrations at all monitors in domain – Annual deposition and daily visibility impairment at IMPROVE monitors Implement on 3SDW

36 Status and Next Steps Pilot study modeling work status Plans for October 2014 – April 2015 – 2011 CMAQ modeling – 2011 AQ sensitivity modeling Boundary Conditions Background Air Quality Oil & Gas Winter Ozone Ammonia Vertical Transport MOVES2014 Reference 9/30 presentation

37 3SAQS Pilot Study Modeling Status DeliverableStatus 2008 Modeling Platform 2008 Modeling ProtocolCompleted (4/2014) SMOKE 36/12-km 2008aCompleted (5/2014) SMOKE 36/12-km 2008bCompleted (7/2014) CAMx 36/12-km 2008bCompleted (8/2014) CAMx 2008a MPE ReportReady for Review (9/2014) SMOKE 36/12-km 2020a_08Completed (7/2014) CAMx 36/12-km 2020a_08Completed (8/2014) 2011 Modeling Platform 2011 Modeling ProtocolCompleted (7/2014) WRF 36/12/4-km 2011aCompleted (5/2014) WRF 2011 MPE ReportReady for Review (8/2014) SMOKE 36/12/4-km 2011aCompleted (8/2014) CAMx 36/12/4-km 2011aCompleted (9/2014) CAMx 36/12/4-km 2020a_11Running (11/2014)

US Background Air Quality July 2011 US Background