Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2013209001', 'doi': 'https://doi.org/10.1016/0034-4257(94)90060-4', 'title': 'Reflectance anisotropy for nadir observations of coniferous forest canopies', 'display_name': 'Reflectance anisotropy for nadir observations of coniferous forest canopies', 'publication_year': 1994, 'publication_date': '1994-07-01', 'ids': {'openalex': 'https://openalex.org/W2013209001', 'doi': 'https://doi.org/10.1016/0034-4257(94)90060-4', 'mag': '2013209001'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0034-4257(94)90060-4', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S141808269', 'display_name': 'Remote Sensing of Environment', 'issn_l': '0034-4257', 'issn': ['0034-4257', '1879-0704'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-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/A5035839511', 'display_name': 'Per Syrén', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I161593684', 'display_name': 'Stockholm University', 'ror': 'https://ror.org/05f0yaq80', 'country_code': 'SE', 'type': 'education', 'lineage': ['https://openalex.org/I161593684']}], 'countries': ['SE'], 'is_corresponding': True, 'raw_author_name': 'Per Syren', 'raw_affiliation_strings': ['Laboratory of Remote Sensing, Department of Physical Geography, Stockholm University, Sweden'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Remote Sensing, Department of Physical Geography, Stockholm University, Sweden', 'institution_ids': ['https://openalex.org/I161593684']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5035839511'], 'corresponding_institution_ids': ['https://openalex.org/I161593684'], 'apc_list': {'value': 4070, 'currency': 'USD', 'value_usd': 4070, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 2.011, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 22, 'citation_normalized_percentile': {'value': 0.703061, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 85, 'max': 86}, 'biblio': {'volume': '49', 'issue': '1', 'first_page': '72', 'last_page': '80'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10111', 'display_name': 'Remote Sensing in Agriculture', 'score': 0.9994, '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': 0.9994, '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/T11164', 'display_name': 'Remote Sensing and LiDAR Applications', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/2305', 'display_name': 'Environmental Engineering'}, '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/T10266', 'display_name': 'Plant Water Relations and Carbon Dynamics', 'score': 0.9964, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/zenith', 'display_name': 'Zenith', 'score': 0.920942}, {'id': 'https://openalex.org/keywords/solar-zenith-angle', 'display_name': 'Solar zenith angle', 'score': 0.7830237}, {'id': 'https://openalex.org/keywords/nadir', 'display_name': 'Nadir', 'score': 0.7720555}, {'id': 'https://openalex.org/keywords/spectral-bands', 'display_name': 'Spectral bands', 'score': 0.45800897}], 'concepts': [{'id': 'https://openalex.org/C53970728', 'wikidata': 'https://www.wikidata.org/wiki/Q82806', 'display_name': 'Zenith', 'level': 2, 'score': 0.920942}, {'id': 'https://openalex.org/C2776573159', 'wikidata': 'https://www.wikidata.org/wiki/Q7556691', 'display_name': 'Solar zenith angle', 'level': 2, 'score': 0.7830237}, {'id': 'https://openalex.org/C88575799', 'wikidata': 'https://www.wikidata.org/wiki/Q145825', 'display_name': 'Nadir', 'level': 3, 'score': 0.7720555}, {'id': 'https://openalex.org/C62649853', 'wikidata': 'https://www.wikidata.org/wiki/Q199687', 'display_name': 'Remote sensing', 'level': 1, 'score': 0.68837637}, {'id': 'https://openalex.org/C108597893', 'wikidata': 'https://www.wikidata.org/wiki/Q663650', 'display_name': 'Reflectivity', 'level': 2, 'score': 0.66073143}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.5794197}, {'id': 'https://openalex.org/C114700698', 'wikidata': 'https://www.wikidata.org/wiki/Q2882278', 'display_name': 'Spectral bands', 'level': 2, 'score': 0.45800897}, {'id': 'https://openalex.org/C101000010', 'wikidata': 'https://www.wikidata.org/wiki/Q5033434', 'display_name': 'Canopy', 'level': 2, 'score': 0.44737872}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.33978805}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.2325635}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.20062238}, {'id': 'https://openalex.org/C19269812', 'wikidata': 'https://www.wikidata.org/wiki/Q26540', 'display_name': 'Satellite', 'level': 2, 'score': 0.1457358}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0034-4257(94)90060-4', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S141808269', 'display_name': 'Remote Sensing of Environment', 'issn_l': '0034-4257', 'issn': ['0034-4257', '1879-0704'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.73, 'display_name': 'Life on land', 'id': 'https://metadata.un.org/sdg/15'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 19, 'referenced_works': ['https://openalex.org/W1618886840', 'https://openalex.org/W173419556', 'https://openalex.org/W1964943247', 'https://openalex.org/W1978893812', 'https://openalex.org/W1981863237', 'https://openalex.org/W1994553783', 'https://openalex.org/W1999222078', 'https://openalex.org/W2015316493', 'https://openalex.org/W2017936840', 'https://openalex.org/W2046450726', 'https://openalex.org/W2052906539', 'https://openalex.org/W2059782814', 'https://openalex.org/W2092315761', 'https://openalex.org/W2104746104', 'https://openalex.org/W2116599792', 'https://openalex.org/W2147685662', 'https://openalex.org/W2414325549', 'https://openalex.org/W3082870769', 'https://openalex.org/W854203905'], 'related_works': ['https://openalex.org/W4387605512', 'https://openalex.org/W4239881177', 'https://openalex.org/W4200042136', 'https://openalex.org/W3001590225', 'https://openalex.org/W2905078199', 'https://openalex.org/W2885136652', 'https://openalex.org/W2168606564', 'https://openalex.org/W2002664568', 'https://openalex.org/W1973420875', 'https://openalex.org/W1496668660'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2013209001', 'counts_by_year': [{'year': 2021, 'cited_by_count': 2}], 'updated_date': '2024-12-16T00:43:49.571243', 'created_date': '2016-06-24'}