Class information for:
Level 1: SAHARA//PALAEOECOLOGY OF AFRICA - DELTA//CENTRAL SAHARA

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
40 3       ARCHAEOLOGY//ANTHROPOLOGY//GEOGRAPHY, PHYSICAL 106435
2465 2             ARABIAN ARCHAEOLOGY AND EPIGRAPHY//ROCK VARNISH//DEAD SEA 4223
9035 1                   SAHARA//PALAEOECOLOGY OF AFRICA - DELTA//CENTRAL SAHARA 1224

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SAHARA authKW 312050 5% 21% 57
2 PALAEOECOLOGY OF AFRICA - DELTA journal 174002 1% 48% 14
3 CENTRAL SAHARA authKW 173071 1% 61% 11
4 AFRICAN HUMID PERIOD authKW 152434 1% 39% 15
5 SAI ISLAND authKW 102990 0% 100% 4
6 TADRART ACACUS authKW 102990 0% 100% 4
7 DIPARTIMENTO SCI ANTICHITA address 78670 1% 17% 18
8 DOMESTICATED PENNISETUM authKW 77242 0% 100% 3
9 EL ADAM authKW 77242 0% 100% 3
10 JEBEL MOYA authKW 77242 0% 100% 3

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Geography, Physical 35491 29% 0% 353
2 Archaeology 30927 17% 1% 213
3 Geosciences, Multidisciplinary 21720 49% 0% 597
4 Paleontology 11975 13% 0% 165
5 Anthropology 8866 13% 0% 162
6 Geology 636 3% 0% 41
7 Oceanography 436 5% 0% 57
8 Multidisciplinary Sciences 200 2% 0% 30
9 Geochemistry & Geophysics 143 4% 0% 45
10 Ecology 136 5% 0% 60

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIPARTIMENTO SCI ANTICHITA 78670 1% 17% 18
2 UMR 1752 77242 0% 100% 3
3 FO TERIE REG TROP SUBTROP 69505 1% 30% 9
4 FO T GENET OURCES PROGRAMME 64364 0% 50% 5
5 LEGEM IMAGES 57930 0% 75% 3
6 SCI EVOLUTIONARY BIOL ECOL 57930 0% 75% 3
7 ETUD GEOENVIRONM MARINS 53635 0% 42% 5
8 ABORAT 389 ACACIA 51495 0% 100% 2
9 CFEETK 51495 0% 100% 2
10 ENVIRONM LUMINESCENCE 51495 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PALAEOECOLOGY OF AFRICA - DELTA 174002 1% 48% 14
2 JOURNAL OF AFRICAN ARCHAEOLOGY 67007 1% 15% 17
3 AFRICAN ARCHAEOLOGICAL REVIEW 47366 1% 10% 18
4 ANTHROPOLOGIE 44799 3% 4% 42
5 JOURNAL OF EGYPTIAN ARCHAEOLOGY 36354 2% 7% 21
6 AZANIA-ARCHAEOLOGICAL RESEARCH IN AFRICA 31515 1% 9% 14
7 QUATERNARY RESEARCH 15802 3% 2% 41
8 QUATERNARY INTERNATIONAL 14363 5% 1% 57
9 QUATERNARY SCIENCE REVIEWS 14199 4% 1% 52
10 ANTIQUITY 13277 3% 1% 36

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SAHARA 312050 5% 21% 57 Search SAHARA Search SAHARA
2 CENTRAL SAHARA 173071 1% 61% 11 Search CENTRAL+SAHARA Search CENTRAL+SAHARA
3 AFRICAN HUMID PERIOD 152434 1% 39% 15 Search AFRICAN+HUMID+PERIOD Search AFRICAN+HUMID+PERIOD
4 SAI ISLAND 102990 0% 100% 4 Search SAI+ISLAND Search SAI+ISLAND
5 TADRART ACACUS 102990 0% 100% 4 Search TADRART+ACACUS Search TADRART+ACACUS
6 DOMESTICATED PENNISETUM 77242 0% 100% 3 Search DOMESTICATED+PENNISETUM Search DOMESTICATED+PENNISETUM
7 EL ADAM 77242 0% 100% 3 Search EL+ADAM Search EL+ADAM
8 JEBEL MOYA 77242 0% 100% 3 Search JEBEL+MOYA Search JEBEL+MOYA
9 BANTU EXPANSION 77236 0% 50% 6 Search BANTU+EXPANSION Search BANTU+EXPANSION
10 HOLOCENE 59232 9% 2% 115 Search HOLOCENE Search HOLOCENE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 15811 LAKE TANGANYIKA//KILIMANJARO//UERHA
2 26569 LOP NUR//EAR FEATURE//FULL POLARIMETRIC SYNTHETIC APERTURE RADAR
3 29067 TEMARA//UNIV RECH ARCHEOL//EL HARHOURA 2
4 9201 AZANIA-ARCHAEOLOGICAL RESEARCH IN AFRICA//SOUTH AFRICAN ARCHAEOLOGICAL BULLETIN//SOUTHERN AFRICAN HUMANITIES
5 37341 LAKE QARUN//FISH STN//PHYSIOGRAPHIC AND SOIL MAPPING
6 14482 SAPROPEL//SAPROPEL S1//MARINE GEOL GEOCHEM PROGRAM
7 37480 ALKALI EARTH AND ALKALI METALS//BEECH FIRE FORESTS//EUROPEAN LOWLAND
8 18382 ARABIAN ARCHAEOLOGY AND EPIGRAPHY//ARABIA//PRE AKSUMITE
9 8360 CLIMATE OF THE PAST//ASTRONOMICAL THEORY//MILANKOVITCH THEORY
10 33310 DAKHLA OASIS//NUBIAN SANDSTONE AQUIFER//SPECIFIC CAPACITY

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