Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2053627772', 'doi': 'https://doi.org/10.1002/esp.2029', 'title': 'Surface and sub‐surface Schmidt hammer rebound value variation for a granite outcrop', 'display_name': 'Surface and sub‐surface Schmidt hammer rebound value variation for a granite outcrop', 'publication_year': 2010, 'publication_date': '2010-06-23', 'ids': {'openalex': 'https://openalex.org/W2053627772', 'doi': 'https://doi.org/10.1002/esp.2029', 'mag': '2053627772'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/esp.2029', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S92316360', 'display_name': 'Earth Surface Processes and Landforms', 'issn_l': '0197-9337', 'issn': ['0197-9337', '1096-9837'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], '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/A5084383204', 'display_name': 'Barbora Černá', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I21250087', 'display_name': 'Charles University', 'ror': 'https://ror.org/024d6js02', 'country_code': 'CZ', 'type': 'education', 'lineage': ['https://openalex.org/I21250087']}], 'countries': ['CZ'], 'is_corresponding': False, 'raw_author_name': 'Barbora Černá', 'raw_affiliation_strings': ['Department of Physical Geography and Geoecology, Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Praha 2, Czech Republic'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Geography and Geoecology, Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Praha 2, Czech Republic', 'institution_ids': ['https://openalex.org/I21250087']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5031350918', 'display_name': 'Zbyněk Engel', 'orcid': 'https://orcid.org/0000-0002-5209-7823'}, 'institutions': [{'id': 'https://openalex.org/I21250087', 'display_name': 'Charles University', 'ror': 'https://ror.org/024d6js02', 'country_code': 'CZ', 'type': 'education', 'lineage': ['https://openalex.org/I21250087']}], 'countries': ['CZ'], 'is_corresponding': False, 'raw_author_name': 'Zbyněk Engel', 'raw_affiliation_strings': ['Department of Physical Geography and Geoecology, Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Praha 2, Czech Republic'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Geography and Geoecology, Faculty of Science, Charles University in Prague, Albertov 6, 128 43 Praha 2, Czech Republic', 'institution_ids': ['https://openalex.org/I21250087']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 4840, 'currency': 'USD', 'value_usd': 4840, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.513, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 34, 'citation_normalized_percentile': {'value': 0.897172, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '36', 'issue': '2', 'first_page': '170', 'last_page': '179'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10017', 'display_name': 'Geology and Paleoclimatology Research', 'score': 0.9995, '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'}}, 'topics': [{'id': 'https://openalex.org/T10017', 'display_name': 'Geology and Paleoclimatology Research', 'score': 0.9995, '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'}}, {'id': 'https://openalex.org/T10535', 'display_name': 'Landslides and related hazards', 'score': 0.9992, 'subfield': {'id': 'https://openalex.org/subfields/2308', 'display_name': 'Management, Monitoring, Policy and Law'}, '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/T10110', 'display_name': 'earthquake and tectonic studies', 'score': 0.9977, 'subfield': {'id': 'https://openalex.org/subfields/1908', 'display_name': 'Geophysics'}, '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/schmidt-hammer', 'display_name': 'Schmidt hammer', 'score': 0.93196523}, {'id': 'https://openalex.org/keywords/outcrop', 'display_name': 'Outcrop', 'score': 0.9273194}, {'id': 'https://openalex.org/keywords/bedrock', 'display_name': 'Bedrock', 'score': 0.7734653}, {'id': 'https://openalex.org/keywords/hammer', 'display_name': 'Hammer', 'score': 0.43007958}], 'concepts': [{'id': 'https://openalex.org/C88893950', 'wikidata': 'https://www.wikidata.org/wiki/Q14567133', 'display_name': 'Schmidt hammer', 'level': 3, 'score': 0.93196523}, {'id': 'https://openalex.org/C169212394', 'wikidata': 'https://www.wikidata.org/wiki/Q531953', 'display_name': 'Outcrop', 'level': 2, 'score': 0.9273194}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.8100487}, {'id': 'https://openalex.org/C137527640', 'wikidata': 'https://www.wikidata.org/wiki/Q570309', 'display_name': 'Bedrock', 'level': 2, 'score': 0.7734653}, {'id': 'https://openalex.org/C40724407', 'wikidata': 'https://www.wikidata.org/wiki/Q179177', 'display_name': 'Weathering', 'level': 2, 'score': 0.7459402}, {'id': 'https://openalex.org/C199289684', 'wikidata': 'https://www.wikidata.org/wiki/Q83353', 'display_name': 'Mineralogy', 'level': 1, 'score': 0.52530223}, {'id': 'https://openalex.org/C114793014', 'wikidata': 'https://www.wikidata.org/wiki/Q52109', 'display_name': 'Geomorphology', 'level': 1, 'score': 0.4644608}, {'id': 'https://openalex.org/C2777571299', 'wikidata': 'https://www.wikidata.org/wiki/Q3680646', 'display_name': 'Grinding', 'level': 2, 'score': 0.43117225}, {'id': 'https://openalex.org/C13655849', 'wikidata': 'https://www.wikidata.org/wiki/Q25294', 'display_name': 'Hammer', 'level': 2, 'score': 0.43007958}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.09820378}, {'id': 'https://openalex.org/C191897082', 'wikidata': 'https://www.wikidata.org/wiki/Q11467', 'display_name': 'Metallurgy', 'level': 1, 'score': 0.08257282}, {'id': 'https://openalex.org/C30407753', 'wikidata': 'https://www.wikidata.org/wiki/Q186191', 'display_name': 'Compressive strength', 'level': 2, 'score': 0.07793245}, {'id': 'https://openalex.org/C159985019', 'wikidata': 'https://www.wikidata.org/wiki/Q181790', 'display_name': 'Composite material', 'level': 1, 'score': 0.073522925}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/esp.2029', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S92316360', 'display_name': 'Earth Surface Processes and Landforms', 'issn_l': '0197-9337', 'issn': ['0197-9337', '1096-9837'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Peace, justice, and strong institutions', 'score': 0.66, 'id': 'https://metadata.un.org/sdg/16'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 32, 'referenced_works': ['https://openalex.org/W1979807530', 'https://openalex.org/W1985207154', 'https://openalex.org/W1985596833', 'https://openalex.org/W1991470150', 'https://openalex.org/W2006059743', 'https://openalex.org/W2007638405', 'https://openalex.org/W2018878409', 'https://openalex.org/W2021183616', 'https://openalex.org/W2022203340', 'https://openalex.org/W2023650932', 'https://openalex.org/W2031305763', 'https://openalex.org/W2058666928', 'https://openalex.org/W2060754934', 'https://openalex.org/W2063906048', 'https://openalex.org/W2068445258', 'https://openalex.org/W2069688721', 'https://openalex.org/W2070876065', 'https://openalex.org/W2075462134', 'https://openalex.org/W2084252592', 'https://openalex.org/W2106130462', 'https://openalex.org/W2108503103', 'https://openalex.org/W2118503532', 'https://openalex.org/W2155510470', 'https://openalex.org/W2159974833', 'https://openalex.org/W2318056895', 'https://openalex.org/W2334095614', 'https://openalex.org/W2336008680', 'https://openalex.org/W3015386873', 'https://openalex.org/W3096791864', 'https://openalex.org/W4231928378', 'https://openalex.org/W4234500351', 'https://openalex.org/W646983755'], 'related_works': ['https://openalex.org/W584080621', 'https://openalex.org/W2528563815', 'https://openalex.org/W2313036513', 'https://openalex.org/W2288697003', 'https://openalex.org/W2275556028', 'https://openalex.org/W22328411', 'https://openalex.org/W2038966149', 'https://openalex.org/W1982224018', 'https://openalex.org/W1981137561', 'https://openalex.org/W135544720'], 'abstract_inverted_index': {'Abstract': [0], 'This': [1], 'study': [2, 83], 'presents': [3], 'rock': [4, 48, 65, 79, 93, 120, 142], 'strength': [5], 'variations': [6], 'at': [7], 'granite': [8], 'outcrops': [9, 49], 'and': [10, 45, 91, 126], 'in': [11, 15, 26, 47, 72, 122], 'subsurface': [12, 27], 'vertical': [13], 'profiles': [14, 28], 'the': [16, 32, 43, 61, 73, 78, 103, 147], 'Jizerské': [17], 'hory': [18], 'Mountains,': [19], 'Czech': [20], 'Republic.': [21], 'Schmidt': [22, 104, 129], 'hammer': [23, 105, 130], 'rebound': [24, 85], 'values': [25, 86], 'change': [29], 'gradually': [30], 'from': [31, 88], 'bedrock': [33], 'surface': [34, 98, 162], 'downward.': [35], 'An': [36], 'exponential': [37, 58], 'relation': [38], 'has': [39], 'been': [40], 'observed': [41], 'between': [42], 'R‐values': [44], 'depth': [46, 52, 71], 'to': [50], 'a': [51, 137], 'of': [53, 60, 77, 84, 97, 102, 109, 119, 124], 'around': [54], '4·5': [55], 'm.': [56], 'The': [57, 107, 128], 'nature': [59], 'curve': [62], 'indicates': [63], 'that': [64, 144, 153], 'hardness': [66], 'increases': [67, 112], 'more': [68, 116], 'rapidly': [69], 'with': [70], 'uppermost': [74], '1?m': [75], 'section': [76], 'profile.': [80], 'A': [81], 'detailed': [82], 'obtained': [87], 'both': [89], 'intact': [90], 'polished': [92], 'exposures': [94], 'reveal': [95], 'effects': [96], 'grinding': [99, 163], 'on': [100], 'results': [101], 'method.': [106], 'range': [108], 'data': [110], 'collected': [111], 'after': [113], 'grinding,': [114], 'allowing': [115], 'precise': [117], 'discrimination': [118], 'surfaces': [121, 143], 'respect': [123], 'age': [125], 'weathering.': [127], 'method': [131], 'may': [132], 'be': [133, 158], 'used': [134], 'effectively': [135], 'as': [136], 'relative‐age': [138], 'dating': [139], 'tool': [140], 'for': [141], 'originated': [145], 'during': [146], 'Late': [148], 'Pleistocene.': [149], 'It': [150], 'is': [151], 'concluded': [152], 'this': [154], 'time': [155], 'limitation': [156], 'can': [157], 'significantly': [159], 'mitigated': [160], 'by': [161], 'before': [164], 'measurement.': [165], 'Copyright': [166], '©': [167], '2010': [168], 'John': [169], 'Wiley': [170], '&': [171], 'Sons,': [172], 'Ltd.': [173]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2053627772', 'counts_by_year': [{'year': 2024, 'cited_by_count': 5}, {'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 4}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 4}], 'updated_date': '2025-01-05T10:51:15.815524', 'created_date': '2016-06-24'}