Global atmospheric general circulation models (GCMs) were developed to simulate the current climate and are used to predict climate change. Several Global Climate Models (GCM’s) are available for understanding and projecting climate change. GCM requires to be downscale on a basin-scale and combined with applicable hydrological models considering all components of the hydrologic process. The performance of such coupling models, such as groundwater recharge quantification, should help to make correct adaptation strategies. Climate change has the ability to affect both the quality and quantity of available groundwater, mainly through impact on recharge, evapotranspiration, pump-age and abstraction. As a consequence, groundwater is a significant contributor to the streamflow in areas with fairly shallow water resources, knowing how climate change could impact groundwater supplies is crucial for long-term water resource management. The effect of climate change on groundwater systems is very difficult to predict. Part of the uncertainty of climate predictions is embedded of possibilities. Better insights, a more profound knowledge of mechanisms and modeling skills are required to determine this critical resource’s potential in the face of predicted climate change.
Background: Vitamin D is vital in children mainly because of its profound effect on growth, development, immune system and importantly bone health. Recent evidence suggests maintaining 25 (OH) D levels above 20 ng/ml for maximizing health benefits. Objectives were to assess the vitamin D status in children in the age group of 5-15 years attending a tertiary care teaching institute of North India and to analyze the factors which can contribute to vitamin D deficiency in these children.
Methods: It was a cross-sectional study. 5-15 years old children attending the outpatient department were included in the study. Children with co morbid conditions that affect vitamin D metabolism and those children on chronic drug treatment and on vitamin D supplementation were excluded from the study.
Results: Average age of study population was 8.93±2.02. In the study 170 (18.47%) children among a total of 920 had a normal vitamin D status while the rest 750 children (81.52%) had insufficient vitamin D status (25 hydroxy vitamin D <30 ng/ml). Among these children 190 (26.38%) had suboptimal vitamin D levels, 300 (40%) were deficient, 143 (19.06%) had severe and 117 (15.6%) had very severe deficiency of vitamin D. The average vitamin D level among the study population was 12.33±11.13 ng/ml. There was significant statistical association between vitamin D deficiency and stunting (p=0.003). No statistically significant association was found between outdoor activity.
Conclusions: Vitamin D insufficiency was documented in 81.52% of 5-15 years old children and there was a significant association between stunting and vitamin D deficiency.
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