The 2021 Blue Book, by sections

Section #	Section Title	Size (Mb)	# of Pages
0	Front Cover	0.21	2
0	Notes from the Editor	0.31	1
0	Table of Contents	0.31	8
1	Assimilation of atmospheric and land observations. Data impact and sensitivity studies. Methodological advances	4.37	28
2	Data sets, diagnostic and dynamical investigations, statistical post-processing, reanalysis,and associated studies	4.99	26
3	Computational studies including new techniques, parallel processing, GPUs. Effects of model resolution	0.62	4
4	Parameterization of atmospheric and surface processes, effects of different physical parameterizations	18.17	14
5	Development of and studies with regional and convective-scale atmospheric models and ensembles	2.39	14
6	Developments in global forecast models, case studies, predictability investigations, global ensembles	2.59	16
7	Global and regional climate models, sensitivity and impact experiments, response to external forcing, monthly and seasonal forecasting	2.24	16
8	Development of and advances in ocean, sea-ice, and wave modelling and data assimilation	2.35	14
9	Development of and studies with coupled and Earth system models and data assimilation systems	2.39	14
10	Forecast verification: methods and studies	0.36	4
11	Last Cover	0.01	1
	Total	41.31	162