Publication Information

{'id': 'https://openalex.org/W2138666440', 'doi': 'https://doi.org/10.1109/igarss.1996.516837', 'title': 'Variability of BRDF with land cover type for the west central HAPEX-Sahel super site', 'display_name': 'Variability of BRDF with land cover type for the west central HAPEX-Sahel super site', 'publication_year': 2002, 'publication_date': '2002-12-23', 'ids': {'openalex': 'https://openalex.org/W2138666440', 'doi': 'https://doi.org/10.1109/igarss.1996.516837', 'mag': '2138666440'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1109/igarss.1996.516837', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'proceedings-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5087935874', 'display_name': 'E. C. Brown de Colstoun', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210117728', 'display_name': 'Center For Remote Sensing (United States)', 'ror': 'https://ror.org/021wvg932', 'country_code': 'US', 'type': 'company', 'lineage': ['https://openalex.org/I4210117728']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'E.C. Brown de Colstoun', 'raw_affiliation_strings': ['Laboratory for Global Remote Sensing Studies Department of Geography, University of Maryland, MD, USA'], 'affiliations': [{'raw_affiliation_string': 'Laboratory for Global Remote Sensing Studies Department of Geography, University of Maryland, MD, USA', 'institution_ids': ['https://openalex.org/I4210117728']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109408645', 'display_name': 'C. L. Walthall', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1312222531', 'display_name': 'Agricultural Research Service', 'ror': 'https://ror.org/02d2m2044', 'country_code': 'US', 'type': 'government', 'lineage': ['https://openalex.org/I1312222531', 'https://openalex.org/I1336096307']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'C.L. Walthall', 'raw_affiliation_strings': ['Remote Sensing and Modeling Laboratory, Agricultural Research Service, Beltsville, MD, USA'], 'affiliations': [{'raw_affiliation_string': 'Remote Sensing and Modeling Laboratory, Agricultural Research Service, Beltsville, MD, USA', 'institution_ids': ['https://openalex.org/I1312222531']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5070955061', 'display_name': 'Alice Cialella', 'orcid': 'https://orcid.org/0000-0003-3293-2948'}, 'institutions': [{'id': 'https://openalex.org/I200870766', 'display_name': 'Brookhaven National Laboratory', 'ror': 'https://ror.org/02ex6cf31', 'country_code': 'US', 'type': 'facility', 'lineage': ['https://openalex.org/I1330989302', 'https://openalex.org/I200870766', 'https://openalex.org/I39565521', 'https://openalex.org/I4210142672']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'A.T. Cialella', 'raw_affiliation_strings': ['Department of Applied Science, Brockhaven National Laboratory, Upton, NY, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Applied Science, Brockhaven National Laboratory, Upton, NY, USA', 'institution_ids': ['https://openalex.org/I200870766']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111945884', 'display_name': 'E. Vermote', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'E.R. Vermote', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5078076553', 'display_name': 'R. N. HALTHORE', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I200870766', 'display_name': 'Brookhaven National Laboratory', 'ror': 'https://ror.org/02ex6cf31', 'country_code': 'US', 'type': 'facility', 'lineage': ['https://openalex.org/I1330989302', 'https://openalex.org/I200870766', 'https://openalex.org/I39565521', 'https://openalex.org/I4210142672']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'R.N. Halthore', 'raw_affiliation_strings': ['Department of Applied Science, Brockhaven National Laboratory, Upton, NY, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Applied Science, Brockhaven National Laboratory, Upton, NY, USA', 'institution_ids': ['https://openalex.org/I200870766']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5109810153', 'display_name': 'J. R. Irons', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1306266525', 'display_name': 'Goddard Space Flight Center', 'ror': 'https://ror.org/0171mag52', 'country_code': 'US', 'type': 'facility', 'lineage': ['https://openalex.org/I1306266525', 'https://openalex.org/I4210124779']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'J.R. Irons', 'raw_affiliation_strings': ['Biospheric Sciences Branch, Goddard Space Flight Center, NASA, Greenbelt, MD, USA'], 'affiliations': [{'raw_affiliation_string': 'Biospheric Sciences Branch, Goddard Space Flight Center, NASA, Greenbelt, MD, USA', 'institution_ids': ['https://openalex.org/I1306266525']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.2, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 7, 'citation_normalized_percentile': {'value': 0.722441, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 76, 'max': 77}, 'biblio': {'volume': '4', 'issue': None, 'first_page': '1904', 'last_page': '1907'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10111', 'display_name': 'Remote Sensing in Agriculture', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2303', 'display_name': 'Ecology'}, '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/T10111', 'display_name': 'Remote Sensing in Agriculture', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2303', 'display_name': 'Ecology'}, '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/T10226', 'display_name': 'Land Use and Ecosystem Services', 'score': 0.9965, '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/T13890', 'display_name': 'Remote Sensing and Land Use', 'score': 0.9957, '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/spectroradiometer', 'display_name': 'Spectroradiometer', 'score': 0.8701664}, {'id': 'https://openalex.org/keywords/land-cover', 'display_name': 'Land Cover', 'score': 0.6492112}, {'id': 'https://openalex.org/keywords/moderate-resolution-imaging-spectroradiometer', 'display_name': 'Moderate-resolution imaging spectroradiometer', 'score': 0.5105325}], 'concepts': [{'id': 'https://openalex.org/C151596937', 'wikidata': 'https://www.wikidata.org/wiki/Q856980', 'display_name': 'Bidirectional reflectance distribution function', 'level': 3, 'score': 0.989056}, {'id': 'https://openalex.org/C130066347', 'wikidata': 'https://www.wikidata.org/wiki/Q680509', 'display_name': 'Spectroradiometer', 'level': 3, 'score': 0.8701664}, {'id': 'https://openalex.org/C62649853', 'wikidata': 'https://www.wikidata.org/wiki/Q199687', 'display_name': 'Remote sensing', 'level': 1, 'score': 0.7216666}, {'id': 'https://openalex.org/C2780648208', 'wikidata': 'https://www.wikidata.org/wiki/Q3001793', 'display_name': 'Land cover', 'level': 3, 'score': 0.6492112}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.63170743}, {'id': 'https://openalex.org/C108597893', 'wikidata': 'https://www.wikidata.org/wiki/Q663650', 'display_name': 'Reflectivity', 'level': 2, 'score': 0.59295386}, {'id': 'https://openalex.org/C2777007095', 'wikidata': 'https://www.wikidata.org/wiki/Q676840', 'display_name': 'Moderate-resolution imaging spectroradiometer', 'level': 3, 'score': 0.5105325}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.33999968}, {'id': 'https://openalex.org/C4792198', 'wikidata': 'https://www.wikidata.org/wiki/Q1165944', 'display_name': 'Land use', 'level': 2, 'score': 0.1922704}, {'id': 'https://openalex.org/C19269812', 'wikidata': 'https://www.wikidata.org/wiki/Q26540', 'display_name': 'Satellite', 'level': 2, 'score': 0.10249725}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.05950138}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C147176958', 'wikidata': 'https://www.wikidata.org/wiki/Q77590', 'display_name': 'Civil engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C146978453', 'wikidata': 'https://www.wikidata.org/wiki/Q3798668', 'display_name': 'Aerospace engineering', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1109/igarss.1996.516837', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.56, 'display_name': 'Life on land', 'id': 'https://metadata.un.org/sdg/15'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 8, 'referenced_works': ['https://openalex.org/W2022446359', 'https://openalex.org/W2037127847', 'https://openalex.org/W2046141162', 'https://openalex.org/W2125149983', 'https://openalex.org/W2125763679', 'https://openalex.org/W2127263025', 'https://openalex.org/W2157329227', 'https://openalex.org/W2171369974'], 'related_works': ['https://openalex.org/W4303980425', 'https://openalex.org/W2407219380', 'https://openalex.org/W2348693871', 'https://openalex.org/W2171182724', 'https://openalex.org/W2168366069', 'https://openalex.org/W2156260485', 'https://openalex.org/W2138666440', 'https://openalex.org/W2104982938', 'https://openalex.org/W2087241461', 'https://openalex.org/W1968901811'], 'abstract_inverted_index': {'The': [0], 'issue': [1], 'of': [2, 74, 103, 106, 116, 127], 'bidirectional': [3], 'reflectance': [4, 79, 93], 'distribution': [5], 'function': [6], '(BRDF)': [7], 'spatial': [8, 66], 'variability': [9, 67], 'on': [10, 76], 'the': [11, 30, 52, 72, 77, 90, 104, 107, 114, 125, 128], 'landscape': [12], 'and': [13, 54, 81], 'its': [14], 'linkages': [15], 'to': [16, 64, 124], 'surface': [17], 'characteristics': [18], 'has': [19], 'received': [20], 'little': [21], 'attention.': [22], 'Data': [23], 'sets': [24], 'such': [25, 46], 'as': [26, 111], 'those': [27], 'collected': [28, 50], 'by': [29, 113], 'Advanced': [31], 'Solid-State': [32], 'Array': [33], 'Spectroradiometer': [34], '(ASAS),': [35], 'an': [36], 'airborne': [37], 'imaging': [38], 'spectroradiometer': [39], 'with': [40, 68], 'along-track': [41], 'pointability,': [42], 'are': [43], 'ideal': [44], 'for': [45, 89], 'investigations.': [47], 'ASAS': [48], 'data': [49], 'during': [51], 'Hydrologic': [53], 'Atmospheric': [55], 'Pilot': [56], 'Experiment': [57], '(HAPEX-Sahel)': [58], 'near': [59], 'Niamey,': [60], 'Niger': [61], 'were': [62], 'analyzed': [63], 'address': [65], 'land': [69, 108], 'cover': [70, 109], 'type,': [71], 'effects': [73], 'scale': [75], 'directional': [78], 'trends,': [80], 'how': [82], 'well': [83], 'a': [84, 117, 132], 'simple': [85, 118], 'BRDF': [86, 105, 126], 'model': [87], 'accounted': [88], 'principal': [91], 'plane': [92], 'trends.': [94], 'A': [95], 'hypothesis': [96], 'was': [97], 'also': [98], 'tested': [99], 'that': [100], 'critical': [101], 'elements': [102], 'types,': [110], 'captured': [112], 'terms': [115], 'model,': [119], 'could': [120], 'be': [121], 'scaled': [122], 'up': [123], 'full': [129], 'scene': [130], 'using': [131], 'linear': [133], 'mixture': [134], 'model.': [135]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2138666440', 'counts_by_year': [], 'updated_date': '2024-12-20T03:03:05.565520', 'created_date': '2016-06-24'}