Class information for:
Level 1: IRON LIMITATION//SOUTHERN OCEAN//DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY

Basic class information

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
44	3	OCEANOGRAPHY//JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS//JOURNAL OF PHYSICAL OCEANOGRAPHY	104587
56	2	OCEANOGRAPHY//PHYTOPLANKTON//LIMNOLOGY AND OCEANOGRAPHY	29638
1806	1	IRON LIMITATION//SOUTHERN OCEAN//DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY	2512

Terms with highest relevance score

rank	Category	termType	chi_square	shrOfCwithTerm	shrOfTermInClass	termInClass
1	IRON LIMITATION	authKW	330530	2%	47%	56
2	SOUTHERN OCEAN	authKW	284763	7%	12%	185
3	DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY	journal	252614	11%	7%	284
4	CHEM PHYS OCEANOG	address	246299	1%	55%	36
5	IRON FERTILIZATION	authKW	206954	1%	50%	33
6	MARINE CHEMISTRY	journal	187672	9%	7%	216
7	HNLC	authKW	182315	1%	58%	25
8	NIWA CHEM PHYS OCEANOG	address	168019	1%	56%	24
9	DISSOLVED IRON	authKW	150799	1%	52%	23
10	OCEANOGRAPHY	WoSSC	136436	52%	1%	1306

Web of Science journal categories

chi_square_rank	Category	chi_square	shrOfCwithTerm	shrOfTermInClass	termInClass
1	Oceanography	136436	52%	1%	1306
2	Limnology	16466	10%	1%	248
3	Marine & Freshwater Biology	6252	15%	0%	379
4	Geosciences, Multidisciplinary	4126	16%	0%	395
5	Ecology	3049	13%	0%	336
6	Biodiversity Conservation	1452	4%	0%	99
7	Environmental Sciences	1033	12%	0%	290
8	Meteorology & Atmospheric Sciences	493	5%	0%	116
9	Chemistry, Multidisciplinary	256	10%	0%	241
10	Geochemistry & Geophysics	239	3%	0%	85

Address terms

chi_square_rank	term	chi_square	shrOfCwithTerm	shrOfTermInClass	termInClass
1	CHEM PHYS OCEANOG	246299	1%	55%	36
2	NIWA CHEM PHYS OCEANOG	168019	1%	56%	24
3	ANTARCTIC CLIMATE ECOSYST CRC	93436	1%	32%	23
4	OCEAN ECOSYST	93303	1%	30%	25
5	WATER ATMOSPHERE	78397	0%	63%	10
6	MARINE CHEM GEOL	71398	1%	26%	22
7	FI TRACE	50175	0%	67%	6
8	OCEANOG MICROBIENNE	44731	1%	21%	17
9	WATER ATMOSPHER	43373	1%	22%	16
10	OSU OCEANOL MARSEILLEUMR 6535	39198	0%	63%	5

Journals

chi_square_rank	term	chi_square	shrOfCwithTerm	shrOfTermInClass	termInClass
1	DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY	252614	11%	7%	284
2	MARINE CHEMISTRY	187672	9%	7%	216
3	LIMNOLOGY AND OCEANOGRAPHY	60825	7%	3%	180
4	GLOBAL BIOGEOCHEMICAL CYCLES	40291	4%	4%	88
5	DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS	34258	4%	3%	89
6	POLAR BIOLOGY	27936	4%	2%	94
7	BIOGEOSCIENCES	22369	3%	2%	79
8	JOURNAL OF MARINE SYSTEMS	9441	2%	2%	46
9	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS	8912	4%	1%	95
10	LIMNOLOGY AND OCEANOGRAPHY-METHODS	8355	1%	3%	24

Author Key Words

chi_square_rank	term	chi_square	shrOfCwithTerm	shrOfTermInClass	termInClass	LCSH search	Wikipedia search
1	IRON LIMITATION	330530	2%	47%	56	Search IRON+LIMITATION	Search IRON+LIMITATION
2	SOUTHERN OCEAN	284763	7%	12%	185	Search SOUTHERN+OCEAN	Search SOUTHERN+OCEAN
3	IRON FERTILIZATION	206954	1%	50%	33	Search IRON+FERTILIZATION	Search IRON+FERTILIZATION
4	HNLC	182315	1%	58%	25	Search HNLC	Search HNLC
5	DISSOLVED IRON	150799	1%	52%	23	Search DISSOLVED+IRON	Search DISSOLVED+IRON
6	GEOTRACES	118158	1%	27%	35	Search GEOTRACES	Search GEOTRACES
7	ORGANIC COMPLEXATION	116099	1%	49%	19	Search ORGANIC+COMPLEXATION	Search ORGANIC+COMPLEXATION
8	IRON ENRICHMENT EXPERIMENT	89205	0%	89%	8	Search IRON+ENRICHMENT+EXPERIMENT	Search IRON+ENRICHMENT+EXPERIMENT
9	NATURAL IRON FERTILIZATION	87813	0%	100%	7	Search NATURAL+IRON+FERTILIZATION	Search NATURAL+IRON+FERTILIZATION
10	IRON BIOGEOCHEMISTRY	84320	0%	61%	11	Search IRON+BIOGEOCHEMISTRY	Search IRON+BIOGEOCHEMISTRY

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	22692	EQUATORIAL PACIFIC//GRP FLUPAC//GEOGRAPHIC REGION EQUATORIAL PACIFIC
2	15293	WATER SOLUBLE ORGANIC NITROGEN//AEROSOL IRON SOLUBILITY//IRON SOLUBILITY
3	7650	MARINE CHEMISTRY//TRACE METALS//DISSOLVED ALUMINUM
4	5783	ANTARCTIC KRILL//EUPHAUSIA SUPERBA//KRILL
5	15783	PACIFIC SAURY//OYASHIO//NEMURO
6	8368	COPPER SPECIATION//PSEUDOPOLAROGRAPHY//AGNES
7	12396	SILICON ISOTOPES//BIOGENIC SILICA//SILICON CYCLE
8	13006	ICE ALGAE//SEA ICE//SEA ICE ALGAE
9	12370	CRITICAL TURBULENCE//CANOPY PARTITIONING MODEL//ENVIRONM BIOGEOCHEM CYCLES PROGRAM
10	14669	TH 234//THORIUM 234//BOUNDARY SCAVENGING

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Class information for: Level 1: IRON LIMITATION//SOUTHERN OCEAN//DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY