Titre :	Four years of drought in the Sahel. Dakar on rainfall and hydrology in Mauritania and Senegal - geographical spread and future prospects
Type de document :	texte imprimé
Auteurs :	Chaperon, P.
Mention d'édition :	[S.n]
Editeur :	s.n
Année de publication :	1973
ISBN/ISSN/EAN :	CI-01235
Note générale :	"The extern and seriousness of the present drougt that they have inoevitably led to a number of question being asked, including the following, addressed specifically to climatologists and hydrologists : - Does the ""black book"" of the period 1970-1973 represent a trend towards increasing drying-up of the region ? - Do time series of annual rainfall figures demostrate the existence of organised cycles and if so, can forecasts be based on these cycles? - Does the deterioration in plant caverage, due primarily to overexploitation, have a marked effect on climatic variations ?"
Mots-clés :	Hydrologie  PRECIPITATIONS  Climatologie  Sécheresse
Index. décimale :	551.48 Hydrologie :
Résumé :	"The extern and seriousness of the present drougt that they have inoevitably led to a number of question being asked, including the following, addressed specifically to climatologists and hydrologists : - Does the ""black book"" of the period 1970-1973 represent a trend towards increasing drying-up of the region ? - Do time series of annual rainfall figures demostrate the existence of organised cycles and if so, can forecasts be based on these cycles? - Does the deterioration in plant caverage, due primarily to overexploitation, have a marked effect on climatic variations ?"
Note de contenu :	"The extern and seriousness of the present drougt that they have inoevitably led to a number of question being asked, including the following, addressed specifically to climatologists and hydrologists : - Does the ""black book"" of the period 1970-1973 represent a trend towards increasing drying-up of the region ? - Do time series of annual rainfall figures demostrate the existence of organised cycles and if so, can forecasts be based on these cycles? - Does the deterioration in plant caverage, due primarily to overexploitation, have a marked effect on climatic variations ?"

Four years of drought in the Sahel. Dakar on rainfall and hydrology in Mauritania and Senegal - geographical spread and future prospects [texte imprimé] / Chaperon, P.  . -  [S.n] . - s.n, 1973.
ISSN : CI-01235
"The extern and seriousness of the present drougt that they have inoevitably led to a number of question being asked, including the following, addressed specifically to climatologists and hydrologists : - Does the ""black book"" of the period 1970-1973 represent a trend towards increasing drying-up of the region ? - Do time series of annual rainfall figures demostrate the existence of organised cycles and if so, can forecasts be based on these cycles? - Does the deterioration in plant caverage, due primarily to overexploitation, have a marked effect on climatic variations ?"

Mots-clés :	Hydrologie  PRECIPITATIONS  Climatologie  Sécheresse
Index. décimale :	551.48 Hydrologie :
Résumé :	"The extern and seriousness of the present drougt that they have inoevitably led to a number of question being asked, including the following, addressed specifically to climatologists and hydrologists : - Does the ""black book"" of the period 1970-1973 represent a trend towards increasing drying-up of the region ? - Do time series of annual rainfall figures demostrate the existence of organised cycles and if so, can forecasts be based on these cycles? - Does the deterioration in plant caverage, due primarily to overexploitation, have a marked effect on climatic variations ?"
Note de contenu :	"The extern and seriousness of the present drougt that they have inoevitably led to a number of question being asked, including the following, addressed specifically to climatologists and hydrologists : - Does the ""black book"" of the period 1970-1973 represent a trend towards increasing drying-up of the region ? - Do time series of annual rainfall figures demostrate the existence of organised cycles and if so, can forecasts be based on these cycles? - Does the deterioration in plant caverage, due primarily to overexploitation, have a marked effect on climatic variations ?"