CSDMS models by numbers

Models, tools and components

Models, tools and components per domain

Domain	Models	Tools	Components
All domains	297	126	35
Terrestrial	154	109	11
Coastal	82	15	10
Marine	54	13	5
Hydrology	107	74	25
Geodynamic	19	4	1
Carbonates and Biogenics	1	1	0
Cryosphere	22	8	4
Climate	19	16	4

Model & tool contributions per calendar year

Year	Models	Tools	Model & Tools with DOIs
2021	281 (12)	125 (8)	148
2020	269 (32)	117 (26)	144
2019	237 (14)	91 (3)	140
2018	223 (19)	88 (4)	137
2017	204 (19)	84 (4)	124
2016	185 (10)	80 (3)	119
2015	175 (17)	77 (3)	119
2014	158 (11)	74 (1)	114
2013	147 (2)	73 (4)	110
2012	145 (18)	69 (3)	110
2011	127 (20)	66 (4)	110
2010	107 (28)	62 (34)	101
2009	79 (79)	28 (28)	62

Note: Above numbers are total submissions in the repository by the end of each year, and submissions per year between brackets).

Models per language

Program language	Count
Python	148
C	95
Fortran77	60
Matlab	61
Fortran90	57
C++	32
Java	6
IDL	2
Other	38

Note: some models can be programmed in more than 1 language

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Models per operating system

Operating system	Count
Linux	334
Windows	322
Unix	295
Mac OS	289
Other	14

Note: some models can run on multiple operating systems

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Are Models Cited?

There are currently 20,420 references added to the model reference repository. With this we track the total number of papers that cite a specific model, and a bibliometric rating in the form of the h-index for models: a version of the popular h-index that references a specific model rather than a unique author. The h-index metric has several benefits:

• model developers and users can expose publications with model metadata and thereby highlight their research,
• model users have an overview of all literature that is available for a model, and
• a user can, based on the h-index, quickly see whether a model is well adopted within the community.

Model	Nr. of added references	Citations	H-index	M-quotient