Identification of Global Warming Contribution to the El Niño Phenomenon Using Empirical Orthogonal Function Analysis

Name: Work Video:
Duration: 3 min 30 s
Mochamad Tito Julianto; Septian Dhimas; Ardhasena Sopaheluwakan; Sri Nurdiati; Pandu Septiawan
{'id': 'https://openalex.org/W3130622650', 'doi': 'https://doi.org/10.29244/j.agromet.35.1.11-19', 'title': 'Identification of Global Warming Contribution to the El Niño Phenomenon Using Empirical Orthogonal Function Analysis', 'display_name': 'Identification of Global Warming Contribution to the El Niño Phenomenon Using Empirical Orthogonal Function Analysis', 'publication_year': 2021, 'publication_date': '2021-02-19', 'ids': {'openalex': 'https://openalex.org/W3130622650', 'doi': 'https://doi.org/10.29244/j.agromet.35.1.11-19', 'mag': '3130622650'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.29244/j.agromet.35.1.11-19', 'pdf_url': 'https://journal.ipb.ac.id/index.php/agromet/article/download/32038/21152', 'source': {'id': 'https://openalex.org/S4210229823', 'display_name': 'Agromet', 'issn_l': '0126-3633', 'issn': ['0126-3633', '2655-660X'], 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://journal.ipb.ac.id/index.php/agromet/article/download/32038/21152', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5043569705', 'display_name': 'Mochamad Tito Julianto', 'orcid': 'https://orcid.org/0000-0002-4593-9981'}, 'institutions': [{'id': 'https://openalex.org/I21881038', 'display_name': 'IPB University', 'ror': 'https://ror.org/05smgpd89', 'country_code': 'ID', 'type': 'education', 'lineage': ['https://openalex.org/I21881038']}], 'countries': ['ID'], 'is_corresponding': False, 'raw_author_name': 'Mochamad Tito Julianto', 'raw_affiliation_strings': ['Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680', 'institution_ids': ['https://openalex.org/I21881038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5066474416', 'display_name': 'Septian Dhimas', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I21881038', 'display_name': 'IPB University', 'ror': 'https://ror.org/05smgpd89', 'country_code': 'ID', 'type': 'education', 'lineage': ['https://openalex.org/I21881038']}], 'countries': ['ID'], 'is_corresponding': False, 'raw_author_name': 'Septian Dhimas', 'raw_affiliation_strings': ['Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680', 'institution_ids': ['https://openalex.org/I21881038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5007005372', 'display_name': 'Ardhasena Sopaheluwakan', 'orcid': 'https://orcid.org/0000-0002-4532-854X'}, 'institutions': [{'id': 'https://openalex.org/I2802461946', 'display_name': 'Meteorological, Climatological, And Geophysical Agency', 'ror': 'https://ror.org/043xhrz72', 'country_code': 'ID', 'type': 'government', 'lineage': ['https://openalex.org/I2802461946']}], 'countries': ['ID'], 'is_corresponding': False, 'raw_author_name': 'Ardhasena Sopaheluwakan', 'raw_affiliation_strings': ['Meteorological, Climatological, and Geophysical Agency, Kemayoran, Jakarta Pusat, DKI Jakarta, Indonesia 10610'], 'affiliations': [{'raw_affiliation_string': 'Meteorological, Climatological, and Geophysical Agency, Kemayoran, Jakarta Pusat, DKI Jakarta, Indonesia 10610', 'institution_ids': ['https://openalex.org/I2802461946']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5054062008', 'display_name': 'Sri Nurdiati', 'orcid': 'https://orcid.org/0000-0001-9571-7060'}, 'institutions': [{'id': 'https://openalex.org/I21881038', 'display_name': 'IPB University', 'ror': 'https://ror.org/05smgpd89', 'country_code': 'ID', 'type': 'education', 'lineage': ['https://openalex.org/I21881038']}], 'countries': ['ID'], 'is_corresponding': False, 'raw_author_name': 'Sri Nurdiati', 'raw_affiliation_strings': ['Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680', 'institution_ids': ['https://openalex.org/I21881038']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5044529681', 'display_name': 'Pandu Septiawan', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I21881038', 'display_name': 'IPB University', 'ror': 'https://ror.org/05smgpd89', 'country_code': 'ID', 'type': 'education', 'lineage': ['https://openalex.org/I21881038']}], 'countries': ['ID'], 'is_corresponding': False, 'raw_author_name': 'Pandu Septiawan', 'raw_affiliation_strings': ['Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, FMIPA Building, IPB Dramaga Campus, Bogor, Indonesia 16680', 'institution_ids': ['https://openalex.org/I21881038']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.086, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.348624, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 57, 'max': 67}, 'biblio': {'volume': '35', 'issue': '1', 'first_page': '11', 'last_page': '19'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10029', 'display_name': 'Climate variability and models', 'score': 0.9946, 'subfield': {'id': 'https://openalex.org/subfields/2306', 'display_name': 'Global and Planetary Change'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10029', 'display_name': 'Climate variability and models', 'score': 0.9946, 'subfield': {'id': 'https://openalex.org/subfields/2306', 'display_name': 'Global and Planetary Change'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10255', 'display_name': 'Oceanographic and Atmospheric Processes', 'score': 0.9851, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11459', 'display_name': 'Arctic and Antarctic ice dynamics', 'score': 0.9434, 'subfield': {'id': 'https://openalex.org/subfields/1902', 'display_name': 'Atmospheric Science'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/empirical-orthogonal-functions', 'display_name': 'Empirical orthogonal functions', 'score': 0.9374236}, {'id': 'https://openalex.org/keywords/anomaly', 'display_name': 'Anomaly (physics)', 'score': 0.720922}, {'id': 'https://openalex.org/keywords/mode', 'display_name': 'Mode (computer interface)', 'score': 0.6428278}, {'id': 'https://openalex.org/keywords/oscillation', 'display_name': 'Oscillation (cell signaling)', 'score': 0.4454028}], 'concepts': [{'id': 'https://openalex.org/C13724139', 'wikidata': 'https://www.wikidata.org/wiki/Q3042818', 'display_name': 'Empirical orthogonal functions', 'level': 2, 'score': 0.9374236}, {'id': 'https://openalex.org/C134097258', 'wikidata': 'https://www.wikidata.org/wiki/Q1507383', 'display_name': 'Sea surface temperature', 'level': 2, 'score': 0.8378853}, {'id': 'https://openalex.org/C49204034', 'wikidata': 'https://www.wikidata.org/wiki/Q52139', 'display_name': 'Climatology', 'level': 1, 'score': 0.82036567}, {'id': 'https://openalex.org/C12997251', 'wikidata': 'https://www.wikidata.org/wiki/Q567560', 'display_name': 'Anomaly (physics)', 'level': 2, 'score': 0.720922}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.6469468}, {'id': 'https://openalex.org/C48677424', 'wikidata': 'https://www.wikidata.org/wiki/Q6888088', 'display_name': 'Mode (computer interface)', 'level': 2, 'score': 0.6428278}, {'id': 'https://openalex.org/C115343472', 'wikidata': 'https://www.wikidata.org/wiki/Q7942', 'display_name': 'Global warming', 'level': 3, 'score': 0.6148564}, {'id': 'https://openalex.org/C507956050', 'wikidata': 'https://www.wikidata.org/wiki/Q14524818', 'display_name': 'El Niño Southern Oscillation', 'level': 2, 'score': 0.53136206}, {'id': 'https://openalex.org/C65440619', 'wikidata': 'https://www.wikidata.org/wiki/Q177974', 'display_name': 'Atmosphere (unit)', 'level': 2, 'score': 0.52264476}, {'id': 'https://openalex.org/C107054158', 'wikidata': 'https://www.wikidata.org/wiki/Q25257', 'display_name': 'Precipitation', 'level': 2, 'score': 0.49295688}, {'id': 'https://openalex.org/C47737302', 'wikidata': 'https://www.wikidata.org/wiki/Q167336', 'display_name': 'Greenhouse gas', 'level': 2, 'score': 0.46357232}, {'id': 'https://openalex.org/C2778439541', 'wikidata': 'https://www.wikidata.org/wiki/Q7106412', 'display_name': 'Oscillation (cell signaling)', 'level': 2, 'score': 0.4454028}, {'id': 'https://openalex.org/C132651083', 'wikidata': 'https://www.wikidata.org/wiki/Q7942', 'display_name': 'Climate change', 'level': 2, 'score': 0.37580982}, {'id': 'https://openalex.org/C91586092', 'wikidata': 'https://www.wikidata.org/wiki/Q757520', 'display_name': 'Atmospheric sciences', 'level': 1, 'score': 0.3501976}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.23047379}, {'id': 'https://openalex.org/C153294291', 'wikidata': 'https://www.wikidata.org/wiki/Q25261', 'display_name': 'Meteorology', 'level': 1, 'score': 0.17102686}, {'id': 'https://openalex.org/C111368507', 'wikidata': 'https://www.wikidata.org/wiki/Q43518', 'display_name': 'Oceanography', 'level': 1, 'score': 0.16981688}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.14897954}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.07609594}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.058368266}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C26873012', 'wikidata': 'https://www.wikidata.org/wiki/Q214781', 'display_name': 'Condensed matter physics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C111919701', 'wikidata': 'https://www.wikidata.org/wiki/Q9135', 'display_name': 'Operating system', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.29244/j.agromet.35.1.11-19', 'pdf_url': 'https://journal.ipb.ac.id/index.php/agromet/article/download/32038/21152', 'source': {'id': 'https://openalex.org/S4210229823', 'display_name': 'Agromet', 'issn_l': '0126-3633', 'issn': ['0126-3633', '2655-660X'], 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.29244/j.agromet.35.1.11-19', 'pdf_url': 'https://journal.ipb.ac.id/index.php/agromet/article/download/32038/21152', 'source': {'id': 'https://openalex.org/S4210229823', 'display_name': 'Agromet', 'issn_l': '0126-3633', 'issn': ['0126-3633', '2655-660X'], 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.74, 'display_name': 'Life below water', 'id': 'https://metadata.un.org/sdg/14'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 32, 'referenced_works': ['https://openalex.org/W1584243875', 'https://openalex.org/W1614861116', 'https://openalex.org/W1665721417', 'https://openalex.org/W1892039639', 'https://openalex.org/W2253328458', 'https://openalex.org/W2441992742', 'https://openalex.org/W2507318219', 'https://openalex.org/W2580752213', 'https://openalex.org/W2594441467', 'https://openalex.org/W2604711173', 'https://openalex.org/W2610304861', 'https://openalex.org/W2625284326', 'https://openalex.org/W2760943381', 'https://openalex.org/W2765756557', 'https://openalex.org/W2777729706', 'https://openalex.org/W2783179908', 'https://openalex.org/W2799355604', 'https://openalex.org/W2802412143', 'https://openalex.org/W2884394982', 'https://openalex.org/W2896053013', 'https://openalex.org/W2904020421', 'https://openalex.org/W2955791628', 'https://openalex.org/W2981690323', 'https://openalex.org/W2981879507', 'https://openalex.org/W2990285366', 'https://openalex.org/W2991189948', 'https://openalex.org/W3012481989', 'https://openalex.org/W3022238508', 'https://openalex.org/W3036499640', 'https://openalex.org/W3087664178', 'https://openalex.org/W3090413341', 'https://openalex.org/W998218512'], 'related_works': ['https://openalex.org/W3170340576', 'https://openalex.org/W3130622650', 'https://openalex.org/W3081257409', 'https://openalex.org/W2385756622', 'https://openalex.org/W2328120423', 'https://openalex.org/W2123562521', 'https://openalex.org/W2059480819', 'https://openalex.org/W2035622579', 'https://openalex.org/W2026618042', 'https://openalex.org/W1968466896'], 'abstract_inverted_index': {'Sea': [0], 'surface': [1, 120], 'temperature': [2, 121], '(SST)': [3], 'is': [4, 18, 24, 79], 'identified': [5], 'as': [6, 132], 'one': [7], 'of': [8, 29, 76, 84, 116, 142, 157], 'the': [9, 35, 38, 60, 65, 82, 88, 103, 114, 127, 147, 153, 161, 168], 'essential': [10], 'climate/ocean': [11], 'variables.': [12], 'The': [13, 74, 140, 174], 'increased': [14], 'SST': [15, 91], 'levels': [16], 'worldwide': [17], 'associated': [19], 'with': [20, 99, 183], 'global': [21, 45, 85, 158], 'warming': [22, 46, 86], 'which': [23, 58], 'due': [25], 'to': [26, 41, 80, 87, 112], 'excessive': [27], 'amounts': [28], 'greenhouse': [30], 'gases': [31], 'being': [32], 'released': [33], 'into': [34], 'atmosphere': [36], 'causing': [37], 'multi-decadal': [39], 'tendency': [40], 'warmer': [42], 'SST.': [43], 'Moreover,': [44], 'has': [47], 'caused': [48], 'more': [49], 'frequent': [50], 'extreme': [51], 'El': [52, 169], 'Niño': [53, 170], 'Southern': [54, 171], 'Oscillation': [55, 172], '(ENSO)': [56], 'events,': [57], 'are': [59], 'most': [61, 148, 163], 'dominant': [62, 149, 164], 'mode': [63, 151, 166], 'in': [64, 107, 129], 'coupled': [66], 'ocean-atmosphere': [67], 'system': [68], 'on': [69], 'an': [70], 'interannual': [71], 'time': [72, 154], 'scale.': [73], 'objective': [75], 'this': [77, 108, 143, 177], 'research': [78, 144], 'calculate': [81], 'contribution': [83], 'ENSO': [89], 'phenomenon.': [90], 'anomalies': [92], '(SSTA)': [93], 'variability': [94], 'rosed': [95], 'from': [96, 176], 'several': [97], 'mechanisms': [98], 'differing': [100], 'timescales.': [101], 'Therefore,': [102], 'Empirical': [104], 'Orthogonal': [105], 'Function': [106], 'study': [109], 'was': [110], 'used': [111], 'analyze': [113], 'data': [115, 130], 'Pacific': [117], 'Ocean': [118], 'sea': [119], 'anomaly.': [122], 'By': [123], 'using': [124], 'EOF': [125, 150, 165, 178], 'analysis,': [126], 'pattern': [128, 136, 156], 'such': [131], 'precipitation': [133], 'and': [134], 'drought': [135], 'can': [137], 'be': [138], 'obtained.': [139], 'result': [141], 'showed': [145], 'that': [146], 'reveals': [152, 167], 'series': [155], 'warming,': [159], 'while': [160], 'second': [162], '(ENSO).': [173], 'modes': [175], 'method': [179], 'have': [180], 'good': [181], 'performance': [182], '95.8%': [184], 'accuracy': [185], 'rate.': [186]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3130622650', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}], 'updated_date': '2025-01-06T03:29:09.819325', 'created_date': '2021-03-01'}
Publication Information

Basic Information

Access and Citation

AI Researcher Chatbot

Primary Location

Authors

Topics

Keywords

Related Works
