Title
How much groundwater is available on the continents?: Critical overview of estimates of global groundwater stocks,Used
Delivery time: 8-12 business days (International)
Groundwater is an important environmental resource. If icecaps and snow are excluded, it represents 96 97% of the available freshwater on Earth. Due to growing global demands for groundwater, accurate estimates of its stocks, recharge rates, and their regional distribution are essential. Despite a significant number of existing global groundwater balance studies, estimated numbers of available stocks and recharge differ with a variance of up to 585%. The aim of this study is to identify and analyze the factors that contribute towards uncertainties and limitations of existent groundwater assessment studies and methods. It discusses possibilities for reducing their magnitude and explores the potential for generating more accurate estimates of available global groundwater resources.
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⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.