Geothermal power generation and positive impact in the greater bay area: A case study of Huizhou city, Guangdong province

Abstract

Geothermal resources, as abundant renewable and clean natural resources on Earth, have been utilized for geothermal power generation in 29 countries. Guangdong Province, as one of the most developed, economically vibrant, and attractive investment regions in China, has experienced rapid economic growth. However, further development is constrained by resource limitations and severe ecological environmental pressures. The issue of energy consumption and economic growth imbalance needs to be urgently addressed. Geothermal energy, as a clean and stable form of energy, can reduce reliance on fossil fuels, decrease dependence on imported energy, and enhance national energy security. This study conducts geological investigations, geophysical surveys, geochemical surveys, remote sensing detection, and drilling exploration in the Shiba-Huangshadong Cave area of Huizhou. It preliminarily identifies the available geothermal energy and its potential in the study area. A comparative analysis is conducted with Huizhou's annual electricity consumption to evaluate the impact of geothermal resources on the sustainability and societal benefits of Guangdong Province. The study highlights the urgent need, positive role, and significant importance of researching the extraction and utilization of geothermal resources.

Large‐area field application confirms the effectiveness of toxicant‐infused bait for managing Helicoverpa armigera (Hübner) in maize fields

“…Then, based on statistics such as F-value, p-value and coefficient of determination R 2 (mostly according) of the significance test of the regression equation, the 2nd-degree polynomial curve was selected as the optimal model for fitting. 42 The 2nd-degree polynomial curve equation is y = a + bx + cx 2 , where a, b and c are model parameters, and y is major axis length, male age, index of ovarian development and mating frequency of female H. armigera at x investigation stage. The aflatoxin content in corn grains was compared between toxicant-infused bait treatment and control groups using an unpaired Student's t-test (two-tailed).…”