Data from: ‘Field measurement of wind erosion flux and soil erodibility factors as affected by tillage and seasonal drought’

There are very few reports in the literature with field measurements of wind erosion flux associated with different forms of tillage management. Measurements of wind erosion flux were conducted to quantify the effects of soil tillage disturbance on wind erosion at a site in south central North Dakota USA in 2003 and 2004. The study was conducted on the Area IV Soil Conservation Districts Research Farm. The study site consisted of gently rolling topography (0-3%) with Temvik-Wilton silt loam soils (USDA: Fine-silty, mixed, superactive frigid Typic and Pachic Haplustolls). Three tillage treatments were included in the study: no-tillage (NT), an intermediate level of disturbance, one-pass tandem disk tillage (TDT), and a heavier level of disturbance, two-pass offset disk tillage (ODT). Erosion flux was measured with sediment samplers of the Big Spring Number Eight type from May through September each year. Sediment samplers were positioned near the peripheries of plots and captured soil flux between 5 and 10 cm height. Vertical flux profile was determined by stacked sediment samplers capturing flux at five heights between 5 and 100 cm. Measurements were applied to soil wind erodibility factors, including multiple within-season determinations of prostrate residue coverage (including live material) by marked cable technique, standing residue by photographic means, soil surface roughness by chain method, and twice per season determinations of aggregate size distribution by compact rotary sieve. Data associated with this study should be of interest to soil conservationists, soil scientists, earth scientists, agronomists and others interested in the increased erosion hazards occurring as result of global climate change. Data are generally applicable to croplands under a semiarid Continental climate for the following soil types: Grassna, Linton, Mandan, Temvik, Williams, and Wilton.

文献中关于与不同耕作管理形式相关的风蚀通量现场测量的报道极为罕见。2003年和2004年，于美国北达科他州中南部的一个研究地点，对风蚀通量进行了测量，以量化土壤耕作扰动对风蚀的影响。该研究在IV区土壤保持区研究农场进行。研究地点地形为缓和的丘陵（0-3%），土壤为Temvik-Wilton壤质粘土（美国农业部：细粒粘土、混合型、超活跃的寒冷典型和帕希克哈普卢斯特olls）。研究包含三种耕作处理：免耕（NT）、中等程度的扰动，单次通过串联圆盘耕作（TDT），以及较重的扰动程度，两次通过错位圆盘耕作（ODT）。风蚀通量使用Big Spring Number Eight型沉积物采样器在每年的5月至9月进行测量。沉积物采样器放置在地块边缘附近，捕捉5至10厘米高度的土壤通量。通过在5至100厘米之间五个高度处捕获通量的堆积沉积物采样器，确定了垂直通量分布。测量应用于土壤风蚀性因素，包括通过标记电缆技术进行的多个季节内匍匐残体覆盖（包括活物质）的确定，通过摄影手段进行的直立残体确定，通过链条方法进行的土壤表面粗糙度确定，以及每个季节两次通过压缩旋转筛进行的团聚体尺寸分布确定。与该研究相关的数据应引起土壤保持专家、土壤学家、地球科学家、农学家及其他对全球气候变化导致的风蚀风险增加感兴趣的人士的关注。这些数据通常适用于半干旱大陆性气候下的草场、Linton、Mandan、Temvik、Williams和Wilton等土壤类型的农田。