WRF_FDDA_Dudhia 教程
fourth symposium on space weather
In addition to the usual input data preparation using WPS, station observation files are required. See the Observation Nudging User's Guide andhttp://www2.mmm.ucar.edu/wrf/users/wrfv3.1/How_to_run_obs_fdda.htmlfor details. The observation file names expected by WRF are OBS_DOMAIN101 for ...
Four-dimensional data assimilation (FDDA) was applied in WRF-CMAQ model sensitivity tests to study the impact of observational and analysis nudging on model performance in simulating inversion layers and O3 concentration distributions within the Uintah Basin, Utah, U.S.A. in winter 2013. Observation...
@@ -1418,6 +1418,9 @@ The following are for observation nudging: 1418 1418 Note: option 2 and 3 are not recommended for DX > 2 km 1419 1419 4 = horizontal Smagorinsky first order closure 1420 1420 (recommended for real-data cases) 1421 + 5 = SMS-3DTKE scale-adaptive LES/PBL...
The observation sites included in the analysis belong to a European-wide rectangular domain excluding the Scandinavian countries (the coordinates of the south-west and north-east points are, respectively, 11.5°W, 35.0°N and 33.9°E, 55.8°N). Data from two monitoring networks were available at...
Stauffer et al [17] Sy stem ) , 度系统的模拟和预报效果 基于 资料 该资料是全球预报系统的模式输出 Nudging ( ) FDDA (Four Dimension- , ; 1° × 1° 牛顿张弛逼近 的 结果 未同化任何观测资料 分辨率为 的 al Data Assimilation) , ( FNL (NCEP Final Operational Global Analy sis data) 方法...
Therefore, analysis nudging is applied in Domain 1 for wind, temperature and moisture. Wind and moisture are nudged in all vertical layers. Temperature is nudged above the PBL. Wind data measured at 10 m AGL in Hong Kong is used for observation nudging at surface in Domain 4 only in this...
** Using observation nudging option (note &fdda is a separate namelist record):15 changes: 10 additions & 5 deletions 15 tools/commit_form.txt Original file line numberDiff line numberDiff line change @@ -6,16 +6,21 @@ KEYWORDS: 5 to 10 words related to commit, separated by commas...
For WRF model simulations WRFThh…, the observation nudging is active from the beginning of the run until the time hh:00 (where hh and 00 are the hour and minute, respectively, in UTC), which is either a few hours before or during the phase the high tide reaches its maximum. ...