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El trabajo consiste en desarrollar un videojuego 2D de tipo “farming game” mediante la plataforma Unity. El género de este videojuego es la simulación agrícola, en este tipo de juego el jugador puede experimentar la vida de de un granjero, que se puede hacer las acciones de agrícolas como plantar semillas y recolectar cosechas, en ser un juego, el jugador también puede consultar sus recursos disponibles en cualquier momento, comprar semillas en la tienda y vender productos mediante pedidos, etc. Este documento trata de describir el desarrollo de este videojuego bidimensional. En primer lugar, se va a introducir con la motivación y los objetivos sobre el proyecto. Luego se va a explicar las técnicas empleadas y los recursos utilizados. En cuanto a la parte del desarrollo se va a detallar la implementación de las funcionalidades del videojuego: la base de datos, el diseño de escenarios, el sistema de inventario, el carácter, la función de plantar y cosechar, el sistema de pedido, el sistema de fabricación de productos elaborados, el sistema de tienda, la adición de músicas de fondo y el efecto de sonido, y por último los teclados rápidos. Al final se concluye el proyecto con las dificultades encontradas y la reflexión sobre este proyecto.---ABSTRACT---The project consists of developing a 2D video game using the Unity platform, specifically, a Farming Game, which is a type of economic simulation game. The player will be able to grow different agricultural products and will be able to make other products from the harvests. In addition, the system will allow purchases and sales of crops and seeds. This document tries to describe the development of this two-dimensional video game. First, the introduction is included with the motivation and objectives of the project. After that, the techniques and the resources used will be explained. Regarding the development part, the implementation of the video game functionalities will be detailed: the database, the scenario design, th

Author Posting. © American Geophysical Union, 2018. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 45 (2018): 9642-9650, doi:10.1029/2018GL079687., Radioactive tracer techniques may be useful for assessing water transport and the overall effects of concurrent biogeochemical processes in river‐reservoir systems. In this study, we show that radium isotopes can assess the hydrodynamics and sediment/nutrient retention in the Xiaolangdi Reservoir, the largest impoundment along the Yellow River, China. Activity ratios of 224Ra/226Ra and 223Ra/226Ra were used for water mass age calculations in the riverine, transition, and lentic reaches of the reservoir. Water ages were combined with the length scale of three river‐reservoir zones to determine water transport rates of 3.6 ± 1.2, 1.3 ± 0.3, and 0.16 ± 0.14 km/day, respectively. Radium ages were also used to quantify the net retention of sediment and nutrients in different parts of the river‐reservoir system. Suspended sediment was removed at a rate of 1.4 ± 0.6 g/m3/day, mainly in the riverine zone. Nutrient dynamics were more complicated, with addition or removal at different rates within the three zones., Ministry of Education of the People's Republic of China Grant Number: MS2014ZGHY028; Qingdao National Laboratory for Marine Science and Technology Grant Number: 2016ASKJ02; National Science Foundation of China Grant Numbers: 41521064, 41876075, 41576075; Ministry of Science and Technology of the People's Republic of China Grant Number: 2016YFA0600902, 2019-03-23

Author Posting. © American Geophysical Union, 2018. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 45 (2018): 9642-9650, doi:10.1029/2018GL079687., Radioactive tracer techniques may be useful for assessing water transport and the overall effects of concurrent biogeochemical processes in river‐reservoir systems. In this study, we show that radium isotopes can assess the hydrodynamics and sediment/nutrient retention in the Xiaolangdi Reservoir, the largest impoundment along the Yellow River, China. Activity ratios of 224Ra/226Ra and 223Ra/226Ra were used for water mass age calculations in the riverine, transition, and lentic reaches of the reservoir. Water ages were combined with the length scale of three river‐reservoir zones to determine water transport rates of 3.6 ± 1.2, 1.3 ± 0.3, and 0.16 ± 0.14 km/day, respectively. Radium ages were also used to quantify the net retention of sediment and nutrients in different parts of the river‐reservoir system. Suspended sediment was removed at a rate of 1.4 ± 0.6 g/m3/day, mainly in the riverine zone. Nutrient dynamics were more complicated, with addition or removal at different rates within the three zones., Ministry of Education of the People's Republic of China Grant Number: MS2014ZGHY028; Qingdao National Laboratory for Marine Science and Technology Grant Number: 2016ASKJ02; National Science Foundation of China Grant Numbers: 41521064, 41876075, 41576075; Ministry of Science and Technology of the People's Republic of China Grant Number: 2016YFA0600902, 2019-03-23