Opened 5 years ago
Last modified 2 years ago
#2175 assigned Task
ENHANCE-05_SimonM-Harmonic_Analysis
Reported by: | acc | Owned by: | smueller |
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Priority: | high | Milestone: | Unscheduled |
Component: | DIA | Version: | trunk |
Severity: | minor | Keywords: | tides, harmonic_analysis |
Cc: |
Description (last modified by smueller)
Summary
Action | ENHANCE-05_SimonM-Harmonic_Analysis |
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PI(S) | Simon Müller, Nicolas Bruneau |
Digest | This action will enhance the tidal harmonic-analysis diagnostics available in the NEMO framework: the replacement of the current implementation by a facility for generic multiple linear regression will enable tidal harmonic analyses of three-dimensional fields, make harmonic analyses across model restarts possible, and improve the computational efficiency of the analysis, as well as facilitate a wide range of non-tidal regression analyses. |
Dependencies | |
Branch | NEMO/branches/2019/dev_r11879_ENHANCE-05_SimonM-Harmonic_Analysis/, utils/tools_dev_r11751_ENHANCE-05_SimonM-Harmonic_Analysis/ |
Previewer(s) | Jérôme Chanut |
Reviewer(s) | Jérôme Chanut |
Wiki | wiki:2019WP/ENHANCE-05_SimonM-Harmonic_Analysis |
Abstract
This action will enhance the tidal harmonic-analysis diagnostics available in the NEMO framework: the replacement of the current implementation by a facility for generic multiple linear regression will enable tidal harmonic analyses of three-dimensional fields, make harmonic analyses across model restarts possible, and improve the computational efficiency of the analysis, as well as facilitate a wide range of non-tidal regression analyses.
Description
The harmonic-analysis diagnostics available in the current reference code is limited to two-dimensional fields (surface only), is activated via a preprocessor key, uses unconventional namelist parameter names, uses a mixture of dynamic and static allocation for large arrays, and appears to be computationally inefficient. Further, while being based on multiple linear regression, the current implementation does not provide for regressions on harmonic components other than tidal constituents.
This action will replace the current tidal harmonic-analysis diagnostics with a generic implementation for multiple linear regression analysis that can be utilised for both tidal harmonic and non-tidal regression analyses. This implementation will provide harmonic-analysis diagnostics enhancements previously tested in a pre-4.0beta NEMO version by N. Bruneau: the analysis of three-dimensional fields, analysis across model restarts, and improved computational efficiency.
In contrast to both the existing harmonic analysis diagnostics in the reference NEMO code and the enhanced pre-4.0beta version by N. Bruneau, the new implementation will make extensive use of XIOS and an off-line tool. This approach should make it possible to simplify the regression analysis-related Fortran module in the core NEMO code, to relocate the regression-analysis configuration to XIOS configuration files, and to enable the selection of any model field handled by XIOS for analysis.
Implementation
See 2019WP/ENHANCE-05_SimonM-Harmonic_Analysis
Reference manual and web pages updates
Commit History (37)
Changeset | Author | Time | ChangeLog |
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12184 | smueller | 2019-12-11T14:35:26+01:00 | Merging of the developments in ^{/NEMO/branches/2019/dev_r11879_ENHANCE-05_SimonM-Harmonic_Analysis@12122 with respect to }/NEMO/trunk@12072 into ^{/NEMO/branches/2019/dev_r12072_MERGE_OPTION2_2019 (tickets #2175 and #2194) } |
12122 | smueller | 2019-12-09T12:29:10+01:00 | Modifications to make modules diadetide and diamlr compilable and compatible with module tide_mod (tickets #2175 and #2194) |
12118 | smueller | 2019-12-09T11:38:19+01:00 | Belated removal of the file src/OCE/SBC/tide_mod.F90 (tickets #2175 and #2194) This file removal has been omitted from the merging of the developments in ^{/NEMO/branches/2019/dev_r10742_ENHANCE-12_SimonM-Tides@12096 with respect to }/NEMO/trunk@12072 into ^{/NEMO/branches/2019/dev_r11879_ENHANCE-05_SimonM-Harmonic_Analysis (changeset [12117]). } |
12117 | smueller | 2019-12-09T10:46:17+01:00 | Merging of the developments in ^{/NEMO/branches/2019/dev_r10742_ENHANCE-12_SimonM-Tides@12096 with respect to }/NEMO/trunk@12072 into ^{/NEMO/branches/2019/dev_r11879_ENHANCE-05_SimonM-Harmonic_Analysis (tickets #2175 and #2194) } |
12097 | smueller | 2019-12-06T16:55:50+01:00 | Addition of AGRIF directives to enable compilation with key_agrif (ticket #2175) |
12075 | smueller | 2019-12-05T18:07:12+01:00 | Synchronizing with ^{/NEMO/trunk@12072 (ticket #2175) } |
12066 | smueller | 2019-12-05T12:19:06+01:00 | Synchronizing with ^{/utils/tools@11926 (ticket #2175) } |
12033 | smueller | 2019-12-03T11:04:00+01:00 | Correction of the inclusion of regression coefficients in the output file and minor adjustments of standard output (ticket #2175) |
12023 | smueller | 2019-12-02T12:33:38+01:00 | Activation of the computation of daily M2-detided averages in reference configuration AMM12 (ticket #2175) |
12022 | smueller | 2019-12-02T12:13:38+01:00 | Alternative implementation for the computation of daily detided averages (currently M2-detided averages only) of model diagnostics (ticket #2175) |
12018 | smueller | 2019-11-29T20:45:51+01:00 | Addition of a rudimentary tool for the postprocessing of intermediate model output for multiple-linear-regression analysis (see ticket #2175) |
12014 | smueller | 2019-11-29T16:56:36+01:00 | Further adjustment of the configuration of multiple-linear-regression analysis in reference configuration AMM12 (ticket #2175) |
12013 | smueller | 2019-11-29T16:25:00+01:00 | Adjustment of the configuration of multiple-linear-regression analysis in reference configuration AMM12 (ticket #2175) |
12012 | smueller | 2019-11-29T16:06:26+01:00 | Further modification that completes the enabling of the grid-type propagation started with [12010] (ticket #2175) |
12011 | smueller | 2019-11-29T15:01:48+01:00 | Update of the default configuration of multiple-linear-regression analysis (ticket #2175) |
12010 | smueller | 2019-11-29T13:50:45+01:00 | Enabling of the grid-type propagation from the analysed fields to the corresponding scalar-product fields in the intermediate output for multiple-linear-regression analysis (ticket #2175) |
11983 | smueller | 2019-11-27T14:36:07+01:00 | Removal of module diaharm (ticket #2175) |
11975 | smueller | 2019-11-27T11:41:27+01:00 | Addition of further metadatum in multiple-linear-regression analysis configuration for tidal harmonic analysis (ticket #2175) |
11974 | smueller | 2019-11-27T10:58:20+01:00 | Addition of metadata to the configuration of tidal harmonic-regressor pairs for multiple-linear-regression analysis (ticket #2175) |
11972 | smueller | 2019-11-26T19:44:40+01:00 | Inclusion of minimum, maximum, and average values of the time variable available to compute regressors (diamlr_time) in the intermediate-data output for multiple-linear-regression analysis (ticket #2175) |
11971 | smueller | 2019-11-26T18:17:21+01:00 | Inclusion of average regressor values, regressor metadata, and references to the analysed fields in the intermediate-data output for multiple-linear-regression analysis (ticket #2175) |
11961 | smueller | 2019-11-25T20:40:46+01:00 | Adjustments to variable names and overlong lines (ticket #2175) |
11959 | smueller | 2019-11-25T16:25:20+01:00 | Activation of multiple-linear-regression analysis in reference configuration AMM12 (ticket #2175) |
11956 | smueller | 2019-11-22T19:38:52+01:00 | Inclusion of an example configuration of multiple-linear-regression analysis (ticket #2175) |
11950 | smueller | 2019-11-22T16:44:46+01:00 | Addition of a placeholder substitution mechanism for the inclusion of tidal-constituent parameters, which are available from the tidal-forcing implementation, in regressor expressions for multiple-linear-regression analysis (see ticket #2175) |
11942 | smueller | 2019-11-21T11:13:52+01:00 | Integration of a version of the IOM context setup for multiple-linear-regression analysis that results in the output of a full set of intermediate data for a configured regression analysis (see ticket #2175) |
11925 | smueller | 2019-11-18T15:49:54+01:00 | Extension of the test for the existence of a regression-analysis configuration in the IOM context setup for multiple-linear-regression analysis (ticket #2175) |
11922 | smueller | 2019-11-15T21:12:45+01:00 | Addition of output of the elapsed model time for multiple-linear-regression analysis (ticket #2175) |
11921 | smueller | 2019-11-15T19:03:39+01:00 | Addition of a test for the existence of a regression-analysis configuration to the IOM context setup for multiple-linear-regression analysis (ticket #2175) |
11911 | smueller | 2019-11-15T13:54:21+01:00 | Addition of a quotation mark that was missing in module diamlr (ticket #2175) |
11910 | smueller | 2019-11-15T13:38:16+01:00 | Inclusion of a skeletal version of the new module diamlr that will be used to manage the IOM context for multiple-linear-regression analysis of model fields (ticket #2175) |
11909 | smueller | 2019-11-14T21:31:36+01:00 | Detachment of the context-definition closure from subroutine iom_init of module iom to enable additional context definition outside subroutine iom_init (ticket #2175). The closure of the context definition is now available in the new public subroutine iom_init_closedef of module iom. By default, this subroutine is called by subroutine iom_init, so that the default behaviour of iom_init remains unchanged. Optionally, subroutine iom_init can now be made to keep the context definition open by setting the optional argument ld_closedef to .FALSE.; this enables continued definition of the context until subroutine iom_init_closedef is explicitly called. |
11887 | smueller | 2019-11-11T13:33:26+01:00 | Modification of the externals definition for the tools directory in the NEMO development branch for action ENHANCE-05_SimonM-Harmonic_Analysis to point to the corresponding tool development branch (ticket #2175) |
11886 | smueller | 2019-11-11T13:26:18+01:00 | Reversal of an externals-definition modification (changeset [11885]) made in the wrong development branch (ticket #2175) |
11885 | smueller | 2019-11-11T12:40:47+01:00 | Modification of the externals definition for the tools directory in the NEMO development branch for action ENHANCE-05_SimonM-Harmonic_Analysis to point to the corresponding tool development branch (ticket #2175) |
11882 | smueller | 2019-11-08T22:33:41+01:00 | Inception of a tool development branch for action ENHANCE-05_SimonM-Harmonic_Analysis (2019 WP), see ticket #2175 |
11881 | smueller | 2019-11-08T22:21:27+01:00 | Inception of a development branch for action ENHANCE-05_SimonM-Harmonic_Analysis (2019 WP), see ticket #2175 |
Change History (52)
comment:1 Changed 5 years ago by smueller
- Description modified (diff)
- Keywords tides added; Tides removed
comment:2 Changed 5 years ago by nemo
- Priority changed from low to high
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- Keywords harmonic_analysis added; harmonic analysis removed
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- Status changed from new to assigned
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- wp_comment changed from Implementation complete; developments merged with ENHANCE-12_SimonM-Tides developments; reference manual update in progress to Implementation complete; developments merged with the trunk; reference manual update deferred to 2020-WP action ENHANCE-11_smueller_DIAMLR.
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