Time matters: shifting seasonal migration in Northern Ghana in response to rainfall variability and food insecurity

2013 ◽  
Vol 6 (1) ◽  
pp. 46-52 ◽  
Author(s):  
Christina Rademacher-Schulz ◽  
Benjamin Schraven ◽  
Edward Salifu Mahama
2020 ◽  
Vol 5 (3) ◽  
pp. 986-1002
Author(s):  
Salisu Mustapha ◽  
◽  
Tijani Inusah Iddrisu ◽  
William Adzawla ◽  
◽  
...  

2019 ◽  
Vol 58 (2) ◽  
pp. 365-384 ◽  
Author(s):  
Muhammad E. E. Hassim ◽  
Bertrand Timbal

AbstractStraddling the Asian–Australian monsoon region, the Maritime Continent (MC) experiences substantial rainfall variations from diurnal to interannual and longer time scales. In this study, rainfall over Singapore and the wider MC region are analyzed using objectively identified weather regimes. Eight regional-scale weather regimes are derived by k-means clustering of local vertical profiles of zonal and meridional winds, temperature, and specific humidity extracted over Singapore from ERA-Interim data for the period December 1980–November 2014. The composite synoptic flow and rainfall patterns over the region show that the weather regimes correspond to the seasonal migration of the intertropical convergence zone (ITCZ) across the equator. For Singapore, the regimes depict seasonal rainfall variability by capturing the alternating dry and wet phases of the prevailing local monsoon and transition periods associated with the regional-scale ITCZ movement. Following previous work, the regimes are used to examine the annual rainfall trend by calculating the contributions due to 1) changes in regime frequency, indicating regional-scale circulation changes, and 2) changes in within-regime precipitation, indicating altered thermodynamic conditions. The overall trend observed at Singapore and many other MC locations is overwhelmingly due to changes in within-regime precipitation. However, the overall trend masks the larger contribution resulting from regime frequency changes as these circulation changes tend to offset one another in reality. In many MC areas (including Singapore), summed rainfall changes due to regime frequency changes outweigh those due to changes in within-regime rainfall, when aggregated in an absolute sense.


2017 ◽  
Vol 32 ◽  
pp. 53-73 ◽  
Author(s):  
Janina Kleemann ◽  
Enrico Celio ◽  
Benjamin Kofi Nyarko ◽  
Marcos Jimenez-Martinez ◽  
Christine Fürst

2021 ◽  
Vol 10 ◽  
Author(s):  
Mahama Saaka ◽  
Sofo Mutaru ◽  
Shaibu Mohammed Osman

Abstract There is little information regarding factors that determine dietary diversity among pregnant women in Ghana. The present study, therefore, sought to assess the independent predictors of dietary diversity and its relationship with nutritional status of pregnant women in the Northern Region of Ghana. The present study was an analytical cross-sectional survey involving 423 pregnant women in different stages of gestation. The 24-h dietary recall method was used to assess minimum dietary diversity for women (MDD-W), and nutritional status was assessed using mid-upper arm circumference (MUAC) measurements. Binary logistic regression was performed to assess the association between maternal dietary diversity and maternal thinness and a P value of <0⋅05 was considered statistically significant. Of the 423 women, 79⋅9 % (95 % CI 76⋅1, 83⋅7) met the MDD-W and the prevalence of undernutrition among the pregnant women was 26⋅0 %. The analysis showed that women of low household wealth index were 48 % less likely (AOR 0⋅52, CI 0⋅31, 0⋅88) of meeting the MDD-W, whereas women from households of poor food insecurity were 88 % less likely (AOR 0⋅12, CI 0⋅05, 0⋅27) of achieving the MDD-W. Women of low household size were three times more likely of meeting the MDD-W (AOR 3⋅07, CI 1⋅13, 8⋅39). MDD-W was not associated with maternal underweight during pregnancy. In conclusion, the results of the present study showed that food insecurity and not low MDD-W, associated with mothers’ thinness (underweight) during pregnancy in peri-urban setting of Northern Ghana.


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