@article{fdi:010049454, title = {{T}he {AMMA} field campaigns : multiscale and multidisciplinary observations in the {W}est {A}frican region}, author = {{L}ebel, {T}hierry and {P}arker, {D}. {J}. and {F}lamant, {C}. and {B}ourl{\`e}s, {B}ernard and {M}articorena, {B}. and {M}ougin, {E}. and {P}eugeot, {C}hristophe and {D}iedhiou, {A}rona and {H}aywood, {J}. {M}. and {N}gamini, {J}. {B}. and {P}olcher, {J}. and {R}edelsperger, {J}. {L}. and {T}horncroft, {C}. {D}.}, editor = {}, language = {{ENG}}, abstract = {{AMMA} - the {A}frican {M}onsoon {M}ultidisciplinary {A}nalysis - is the biggest programme of research into environment and climate ever attempted in {A}t {AMMA} has involved a comprehensive field experiment bringing together ocean. land and atmospheric measurements. on time-scales ranging from hourly and daily variability up to the changes in seasonal activity over a number of years. {M}any of the publications in this special issue make use of subsets of the {AMMA} measurements. collected from a diverse set of sensors {A}s a general introduction to the special issue, this paper provides a comprehensive overview of the {AMMA} observational programme. and summarises the scientific strategy which has defined the field deployment {T}he relationship between the existing observational monitoring networks of the region and the new sensors deployed for {AMMA}. and for the future, is described {M}aking use of regional and sub-regional maps. the main groups of sensors are described in terms of their deployment periods and then spatial co-ordination {T}he key linkages between different groups of measurements are also outlined. in terms of the strategy for their combined use and in terms of their interdependence {S}ome brief summaries of conditions sampled doling the three years of the {AM} {MA} {E}xtended {O}bserving {P}eriod are also given {C}opyright ({C}) 2009 {R}oyal {M}eteorological {S}ociety and {C}rown {C}opyright}, keywords = {environment ; climate ; monitoring ; strategy}, booktitle = {}, journal = {{Q}uarterly {J}ournal of the {R}oyal {M}eteorological {S}ociety}, volume = {136}, numero = {s1}, pages = {8--33}, ISSN = {0035-9009}, year = {2010}, DOI = {10.1002/qj.486}, URL = {https://www.documentation.ird.fr/hor/fdi:010049454}, }