Mahi-mahi embryo trajectories with exposure to irradiance modeled by the Connectivity Model System (CMS), from 2013-01-01 to 2013-12-29

We address the ecological relevance of the seemingly adaptive response of UV avoidance in mahi (Coryphaena hippurus) by developing a module for the Connectivity Modeling System (CMS, an open-source particle tracking model) to estimate the dose of solar radiations embryos receive while moving in the ocean. Calculations are based on the intensity of the surface irradiance, the coefficient of absorption of the wavelength considered, and the embryos’ depth at each Lagrangian time step. In the model, embryos were released throughout the year, between the surface and 100 m depth to encompass a wide range of potential spawning depth preferences, and the laboratory hourly measurements of terminal velocity were used to determine embryo buoyancy through time. Each virtual embryo was tracked for 44 hours, the maximum time to hatch based on the minimum surface water temperature in the Gulf of Mexico (ca. 20°C). This dataset contains the raw trajectories of the numerical modeling results from three simulations of mahi embryo dispersal using the CMS module introduced above: "Neutral" (for neutrally buoyant embryos), "no UV" (only exposed to visible light) and "UV-exposed" (exposed to visible light and UV-A during the first day of development), and provides the location and depth at each time step, along with the doses of ultraviolet-A for each of them. This research was funded by the RECOVER and C-IMAGE grants from The Gulf of Mexico Research Initiative. Related datasets model cumulative exposure to yellowfin tuna (DOI: 10.7266/S83DZF9V, UDI: R6.x804.000:0055) and virtual organisms employing diurnal migration in a number of regimes in the world ocean DOIi: 10.7266/X8GVY03Y, UDI: R6.x804.000:0054). NOTE: Due to the size of its single file, this dataset cannot be opened by most Windows (Excel, Notepad, Notepad++).本研究针对鲯鳅（Coryphaena hippurus，俗称mahi）看似具有适应性的紫外线规避行为的生态学意义展开探究，通过为连通性建模系统（Connectivity Modeling System, CMS，一款开源粒子追踪模型）开发专属模块，以估算胚胎在海洋移动过程中所接收的太阳辐射剂量。计算过程基于表层辐照度强度、目标波长的吸收系数，以及每个拉格朗日时间步下的胚胎水深。模型中，胚胎全年释放，释放水深范围覆盖表层至100米，以涵盖多样的潜在产卵水深偏好；同时借助实验室测得的每小时终端速度数据，实时确定胚胎的浮力状态。每个虚拟胚胎将被追踪44小时，该时长基于墨西哥湾最低表层水温（约20℃）对应的最长孵化时长确定。 本数据集包含基于上述CMS模块开展的三项鲯鳅胚胎扩散数值模拟的原始轨迹数据，分别为"Neutral"（中性浮力胚胎组）、"no UV"（仅暴露于可见光组）以及"UV-exposed"（发育首日暴露于可见光与紫外-A辐射组）；数据集同时提供了每个时间步下的位置与水深信息，以及各组胚胎所接收的紫外-A辐射剂量。本研究由墨西哥湾研究倡议组织（The Gulf of Mexico Research Initiative）提供的RECOVER与C-IMAGE项目资助。 相关数据集涵盖黄鳍金枪鱼累积暴露模拟（DOI: 10.7266/S83DZF9V，UDI: R6.x804.000:0055）以及全球海洋多种环境下采用昼夜垂直迁移的虚拟生物模拟（DOI: 10.7266/X8GVY03Y, UDI: R6.x804.000:0054）。注意：由于单个文件体积过大，本数据集无法通过绝大多数Windows平台工具（Excel、记事本、Notepad++）打开。