');mask-image:url('data:image/svg+xml;utf8, ');content:'';margin:0 .4rem;display:inline-block;vertical-align:middle;line-height:1}.breadcrumb-trail .trail-items li:last-child:after{display:none}.bloghash-breadcrumbs{font-size:1.4rem;border-width:0}#page .page-header .bloghash-breadcrumbs a>span{color:inherit}#bloghash-copyright .bloghash-flex-row>div:empty{display:none}#bloghash-copyright>.bloghash-container>.bloghash-flex-row>div{width:auto;padding-top:.6rem;padding-bottom:.6rem}.bloghash-copyright-layout-1 #bloghash-copyright>.bloghash-container>.bloghash-flex-row>div{-ms-flex-preferred-size:100%;flex-basis:100%;-ms-flex-negative:0;flex-shrink:0;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}#bloghash-scroll-top{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;position:fixed;bottom:2.5rem;right:2rem;z-index:997;width:4rem;height:4rem;opacity:0;-webkit-transform:translate3d(0,3rem,0);transform:translate3d(0,3rem,0)}#bloghash-scroll-top .bloghash-scroll-icon{overflow:hidden;z-index:2}#bloghash-scroll-top .bloghash-icon{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:2rem;color:var(--bloghash-white);-webkit-transform:translateY(1.1rem);-ms-transform:translateY(1.1rem);transform:translateY(1.1rem)}#bloghash-scroll-top:before{content:'';z-index:1;border-radius:10rem;background-color:var(--bloghash-primary);-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1);border:.1rem solid rgba(185,185,185,.4)}#bloghash-scroll-top svg{fill:var(--bloghash-white)}.bloghash-widget.widget:not(.widget_text):not(.hester-core-custom-list-widget) ol{list-style:none;margin-left:0;margin-right:0}#main .bloghash-widget{overflow:hidden}#main .bloghash-widget{margin-bottom:4rem}.widget ol{line-height:1.5}.widget ol:last-child{margin-bottom:0}.widget ol li{margin-bottom:1rem}.widget.bloghash-entry p{margin-top:1.6rem;margin-bottom:1.6rem}.widget.bloghash-entry p:last-child{margin-bottom:0}.widget.widget_block li a{position:relative;z-index:0}.widget.widget_recent_comments li{margin-bottom:1.6rem}.bloghash-entry>:first-child{margin-top:0}.bloghash-entry>:last-child{margin-bottom:0}.bloghash-entry ol{margin-left:4rem}.bloghash-entry ol{margin-bottom:2rem;margin-top:2rem}.bloghash-entry p{margin-bottom:1.5rem;margin-top:1.5rem}.author-avatar img{border-radius:var(--bloghash-full-radius);width:3rem;vertical-align:middle;margin-right:.8rem;display:inline-block;outline:1px solid rgba(185,185,185,.4)}#main .content-area .entry-meta a{color:inherit}.entry-meta{font-size:1.3rem;font-weight:600;margin-top:1.2rem}.entry-meta .bloghash-icon{height:1.827rem;margin-right:.7rem;vertical-align:text-bottom}.entry-meta .entry-meta-elements>span{padding:0 1rem;line-height:1.2}.entry-meta .entry-meta-elements>span.posted-on{line-height:1.5}.entry-meta .entry-meta-elements>span,.entry-meta .entry-meta-elements>span .posted-by{-js-display:inline-flex;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.entry-meta .entry-meta-elements>span:first-child{padding-left:0}.entry-meta .entry-meta-elements>span:last-child{margin-right:0;padding-right:0}.entry-meta .entry-meta-elements>span:before{content:'';position:relative;left:-1.1rem;width:4px;height:4px;border-radius:100%;background-color:var(--bloghash-primary)}.entry-meta .entry-meta-elements>span:first-child:before{display:none}.entry-media{margin-bottom:2.5rem}.entry-media img{margin:0 auto;display:block}.single-post .entry-content{margin-top:4rem}.single-post .entry-media{margin-bottom:4rem}.single .post-category{margin-bottom:.3rem;font-size:1.4rem}.single .post-category a{-js-display:inline-flex;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;margin:0 .4rem .8rem}.single .entry-header{text-align:start;margin-bottom:1rem}.single .entry-meta{text-align:start;margin-top:1.6rem}.single .entry-content{margin-bottom:5rem}.single .post-nav .nav-previous .nav-content span{padding-right:2rem}.single .post-nav .nav-next .nav-content span:not(.ss-on-media-image-wrap){text-align:end;padding-left:2rem}.single.bloghash-page-title-align-left .bloghash-article>.entry-header,.single.bloghash-page-title-align-left .bloghash-article>.post-category{text-align:start}.single.bloghash-page-title-align-left .bloghash-article>.entry-meta>.entry-meta-elements{-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start}#cancel-comment-reply-link{font-size:1.3rem;border-radius:var(--bloghash-normal-radius);border:.2rem solid currentColor;font-weight:500;padding:.4rem .7rem;line-height:1;text-decoration:none;text-transform:capitalize;margin-left:1.4rem;color:inherit}button.bloghash-animate-arrow{-webkit-appearance:none;border:none;-webkit-box-shadow:none;box-shadow:none;background:0 0;outline:none}.bloghash-animate-arrow .arrow-bar{-webkit-transform:scaleX(0);-ms-transform:scaleX(0);transform:scaleX(0)}.bloghash-animate-arrow svg{vertical-align:middle}.bloghash-animate-arrow.right-arrow svg{-webkit-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}.bloghash-animate-arrow.right-arrow .arrow-bar{-webkit-transform-origin:100% 0;-ms-transform-origin:100% 0;transform-origin:100% 0}.bloghash-animate-arrow.right-arrow .arrow-handle{-webkit-transform:translateX(.6rem);-ms-transform:translateX(.6rem);transform:translateX(.6rem)}.bloghash-hamburger{padding:0;display:inline-block;font:inherit;color:inherit;text-transform:none;background-color:transparent;border:0;margin:0;overflow:visible}.hamburger-box{width:2.5rem;height:1.4rem;display:inline-block;position:relative}.hamburger-inner{display:block;top:50%;margin-top:-.1rem}.hamburger-inner,.hamburger-inner:before,.hamburger-inner:after{width:2.8rem;height:2px;background-color:#111827;border-radius:var(--bloghash-normal-radius);position:absolute}.hamburger-inner:before,.hamburger-inner:after{content:"";display:block}.hamburger-inner:before{top:-5px}.hamburger-inner:after{bottom:-5px}.bloghash-mobile-nav{order:1;display:none;margin-left:2.4rem}.bloghash-hamburger,.bloghash-mobile-nav{-webkit-box-align:center;-ms-flex-align:center;align-items:center}body:not(.is-mobile-menu-active) .bloghash-hamburger .hamburger-box .hamburger-inner:before{width:1.5rem}.bloghash-hamburger{-js-display:inline-flex;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;border-radius:var(--bloghash-normal-radius)}.bloghash-hamburger .hamburger-inner,.bloghash-hamburger .hamburger-inner:before,.bloghash-hamburger .hamburger-inner:after{background-color:currentColor}#bloghash-header:after{content:'';position:fixed;top:100%;left:0;right:0;height:100vh;background-color:rgba(255,255,255,.85);z-index:991;opacity:0;visibility:hidden;will-change:opacity,visibility;-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}@media only screen and (min-width:600px){.site .bloghash-flex-row .start-sm{-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;text-align:start}.site .bloghash-flex-row .end-sm{-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end;text-align:end;margin-left:auto}}@media only screen and (min-width:782px){.site .bloghash-flex-row .col-md{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;-ms-flex-negative:1;flex-shrink:1;max-width:100%;-ms-flex-preferred-size:0;flex-basis:0}.site .bloghash-flex-row .col-md.flex-basis-auto{-ms-flex-preferred-size:auto;flex-basis:auto}.site .bloghash-flex-row .end-md{-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end;text-align:end;margin-left:auto}}@media only screen and (max-width:868px){.bloghash-hide-mobile-tablet{display:none!important}.bloghash-container{padding:0 3rem}.bloghash-header-widgets .bloghash-header-widget,.bloghash-header-widgets .bloghash-header-widget.bloghash-header-widget__button{padding-left:1rem;padding-right:1rem}.bloghash-mobile-nav{margin-left:1.6rem}}@media only screen and (max-width:599px){#bloghash-header-inner .bloghash-widget-wrapper,.bloghash-header-element,.bloghash-header-widgets .bloghash-header-widget{position:static}.bloghash-header-widgets .dropdown-item:after{display:none}.page-header>.bloghash-container{-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.author-avatar img{display:none}}@media only screen and (max-width:480px){#page{min-height:-webkit-fill-available}}@media only screen and (max-width:960px){#bloghash-topbar>.bloghash-container>.bloghash-flex-row>div .bloghash-topbar-widget{padding-top:.6rem;padding-bottom:.6rem}#bloghash-topbar .bloghash-topbar-widget{padding-left:.8rem;padding-right:.8rem}.bloghash-topbar__separators-regular #bloghash-topbar .bloghash-topbar-widget:after{margin-left:.8rem}#main>.bloghash-container{display:block}#primary{max-width:100%!important;padding-left:0!important;padding-right:0!important;margin-top:4rem}.site-main #secondary{width:100%;margin-top:4rem}}@media all and (-ms-high-contrast:none),(-ms-high-contrast:active){.site .bloghash-flex-row:after{content:'';display:block;min-height:inherit;font-size:0}.bloghash-btn{height:1rem}#main>.bloghash-container #primary{-ms-flex-preferred-size:0%;flex-basis:0%}}.bloghash-btn{background-color:var(--bloghash-primary)}#bloghash-topbar .bloghash-topbar-widget__text .bloghash-icon{color:var(--bloghash-primary)}#masthead .bloghash-header-widgets .dropdown-item:after,.bloghash-nav>ul .sub-menu:after{border-bottom-color:var(--bloghash-primary);outline:none!important}.bloghash-header-widgets .dropdown-item,.bloghash-nav .sub-menu{border-top-color:var(--bloghash-primary)}::-webkit-selection{background-color:var(--bloghash-primary);color:var(--bloghash-white)}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.2)}::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.4)}.mr-1{margin-right:.4rem}a.bloghash-btn i{font-size:105%;vertical-align:baseline}a.bloghash-btn i:before{display:inline-block;vertical-align:middle}a.bloghash-btn span{vertical-align:baseline;line-height:normal}@media (prefers-reduced-motion:reduce){*{animation-duration:0s!important}}.bloghash-glassmorphism{position:fixed;right:0;left:0;bottom:0;display:flex;overflow:hidden;z-index:-1}.bloghash-glassmorphism .block{width:28.8rem;height:28.8rem;filter:blur(64px);mix-blend-mode:multiply;border-radius:999px;display:block;opacity:.1}.bloghash-glassmorphism .block.one{margin-top:5rem;background-color:rgba(239,35,60)}.bloghash-glassmorphism .block.two{margin-top:16rem;margin-left:-8rem;background-color:rgba(4,134,139)}@media only screen and (min-width:768px){.bloghash-glassmorphism{top:4rem}}@media only screen and (min-width:1024px){.bloghash-glassmorphism .block{width:38.4rem;height:38.4rem}}@media only screen and (min-width:1280px){.bloghash-glassmorphism{top:8rem}}.post-category .cat-links a.cat-31{color:#f43676;background:#fdd7e4}:root{--bloghash-primary:#f43676;--bloghash-primary_80:#fdd7e4;--bloghash-primary_15:#f6558b;--bloghash-primary_27:rgba(244,54,118,.27);--bloghash-primary_10:rgba(244,54,118,.1)}#bloghash-topbar{background:#f43676;background:-webkit-linear-gradient(45deg,#f43676 0,rgba(226,181,181,.39) 100%);background:-o-linear-gradient(45deg,#f43676 0,rgba(226,181,181,.39) 100%);background:linear-gradient(45deg,#f43676 0,rgba(226,181,181,.39) 100%)}#bloghash-topbar{border-style:solid}.bloghash-topbar-widget:after{background-color:#ccc}#bloghash-topbar{color:#002050}.bloghash-topbar-widget .bloghash-nav>ul>li>a,#bloghash-topbar .bloghash-topbar-widget__text .bloghash-icon{color:#302d55}#bloghash-header-inner{background:#fff}#bloghash-header,.bloghash-header-widgets a:not(.bloghash-btn),.bloghash-logo a,.bloghash-hamburger{color:#131315}#bloghash-header-inner{border-color:rgba(185,185,185,.4);border-bottom-width:1px}.bloghash-header-widget:after{background-color:#ccc}@media screen and (max-width:960px){#bloghash-header-inner .bloghash-nav{display:none;color:#000}.bloghash-mobile-toggen,.bloghash-mobile-nav{display:inline-flex}#bloghash-header-inner{position:relative}#bloghash-header-inner .bloghash-nav>ul>li>a{color:inherit}#bloghash-header-inner .site-navigation{display:none;position:absolute;top:100%;width:100%;height:100%;min-height:100vh;left:0;right:0;margin:-1px 0 0;background:#fff;border-top:1px solid #eaeaea;box-shadow:0 15px 25px -10px rgba(50,52,54,.125);z-index:999;font-size:1.7rem;padding:0}#bloghash-header-inner .site-navigation>ul{overflow-y:auto;max-height:68vh;display:block}#bloghash-header-inner .site-navigation>ul>li>a{padding:0!important}#bloghash-header-inner .site-navigation>ul li{display:block;width:100%;padding:0;margin:0;margin-left:0!important}#bloghash-header-inner .site-navigation>ul .sub-menu{position:static;display:none;border:none;box-shadow:none;border:0;opacity:1;visibility:visible;font-size:1.7rem;transform:none;background:#f8f8f8;min-width:initial;left:0;padding:0;margin:0;border-radius:0;line-height:inherit}#bloghash-header-inner .site-navigation>ul .sub-menu>li>a>span{padding-left:50px!important}#bloghash-header-inner .site-navigation>ul .sub-menu a>span{padding:10px 30px 10px 50px}#bloghash-header-inner .site-navigation>ul a{padding:0;position:relative;background:0 0}#bloghash-header-inner .site-navigation>ul li{border-bottom:1px solid #eaeaea}#bloghash-header-inner .site-navigation>ul>li:last-child{border-bottom:0}#bloghash-header-inner .site-navigation>ul a>span{padding:10px 30px!important;width:100%;display:block}#bloghash-header-inner .site-navigation>ul a>span:after,#bloghash-header-inner .site-navigation>ul a>span:before{display:none!important}#bloghash-header-inner .site-navigation>ul .menu-item-has-children>a{display:inline-flex;width:100%;max-width:calc(100% - 50px)}#bloghash-header-inner .bloghash-nav .menu-item-has-children>a>span{border-right:1px solid rgba(185,185,185,.4)}#bloghash-header-inner .bloghash-nav .menu-item-has-children>a>.bloghash-icon{transform:none;width:50px;margin:0;position:absolute;right:0;height:1em;display:none}.bloghash-mobile-toggen{width:50px;height:1em;background:0 0;border:none}.bloghash-mobile-toggen .bloghash-icon{transform:none;width:50px;margin:0;position:absolute;right:0;height:1em}}.bloghash-nav.bloghash-header-element,.bloghash-header-layout-1 .bloghash-header-widgets{font-weight:600;font-family:"Inter Tight",Helvetica,Arial,sans-serif;font-size:1.7rem;line-height:1.5}#secondary{width:30%}body:not(.bloghash-no-sidebar) #primary{max-width:70%}.bloghash-layout__boxed-separated #content>article,.bloghash-layout__boxed-separated.bloghash-sidebar-style-2 #secondary .bloghash-widget{background-color:#fff}body{color:#002050}h1,a,.entry-meta{color:#302d55}:root{--bloghash-secondary:#302d55}.bloghash-container{max-width:1480px}.bloghash-logo img{max-height:45px}.bloghash-logo .logo-inner{margin-top:27px;margin-right:10px;margin-bottom:27px;margin-left:10px}@media only screen and (max-width:768px){.bloghash-logo .logo-inner{margin-top:25px;margin-right:1px;margin-bottom:25px}}.page-header{background:rgba(244,54,118,.1)}.page-header{border-color:rgba(0,0,0,.062);border-style:solid;border-bottom-width:1px}.bloghash-breadcrumbs{padding-top:15px;padding-bottom:15px}html{font-size:62.5%}@media only screen and (max-width:768px){html{font-size:53%}}@media only screen and (max-width:480px){html{font-size:50%}}*{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}body{font-weight:400;font-family:"Be Vietnam Pro",Helvetica,Arial,sans-serif;font-size:1.7rem;line-height:1.75}h1{font-weight:700;font-style:normal;text-transform:none;text-decoration:none;font-family:"Be Vietnam Pro",Helvetica,Arial,sans-serif}h1{font-weight:700;font-size:4rem;line-height:1.4}.single-post .entry-content{font-size:1.6rem}.bloghash-btn{color:#fff;border-color:rgba(0,0,0,.12);border-width:.1rem;border-top-left-radius:.8rem;border-top-right-radius:.8rem;border-bottom-right-radius:.8rem;border-bottom-left-radius:.8rem}.bloghash-btn{font-weight:500;font-family:"Be Vietnam Pro",Helvetica,Arial,sans-serif;font-size:1.8rem}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-ss-on-media-button,.ss-popup-overlay .ss-copy-action .ss-button,.ss-popup-overlay .ss-popup .ss-close-modal,.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a{border:0;text-shadow:none;-webkit-box-shadow:none;box-shadow:none;outline:0;text-decoration:none;text-transform:none;letter-spacing:0}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-pinit-button,.ss-social-icons-container>li .ss-ss-on-media-button:after{outline:0}.ss-svg-icon{height:16px;width:auto;vertical-align:text-bottom;fill:currentColor}.ss-envelope-color{background-color:#323b43}.ss-facebook-color{background-color:#1877f2}.ss-twitter-color{background-color:#000}.ss-linkedin-color{background-color:#2867b2}.ss-pinterest-color{background-color:#bd081c}.ss-copy-color{background-color:#323b43}.ss-print-color{background-color:#323b43}.ss-mix-color{background-color:#ff8226}.ss-clearfix:after{content:"";display:table;clear:both}:root{--ss-wpadminbar-height:0px}.ss-on-media-image-wrap{display:inline-block!important;position:relative!important;line-height:0}.ss-on-media-image-wrap>img{margin:0!important}.ss-on-media-container{position:relative;margin:0!important;line-height:0}.ss-on-media-container.wp-post-image{text-align:center}.ss-on-media-wrapper{display:none}.ss-on-media-wrapper.ss-on-media-always-visible .ss-social-icons-container{opacity:1}.ss-on-media-wrapper .ss-social-icons-container{opacity:0;position:absolute;z-index:1;display:-webkit-box;display:-ms-flexbox;display:flex;padding:0!important;max-width:initial!important}.ss-on-media-wrapper .ss-social-icons-container>li{display:inline-block;float:left}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-ss-on-media-button{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-ss-on-media-button span{position:relative}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-pinit-button{-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;white-space:nowrap;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,Arial,"Helvetica Neue",sans-serif;font-weight:400;height:auto!important;width:auto!important;line-height:1!important;padding:10px 16px}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-pinit-button .ss-on-media-content{display:-webkit-box;display:-ms-flexbox;display:flex}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-pinit-button svg{width:auto;margin-right:6px}.ss-on-media-wrapper.ss-top-left-on-media .ss-social-icons-container{top:15px;left:15px}.ss-on-media-wrapper.ss-with-spacing.ss-top-left-on-media .ss-social-icons-container{left:12px}.ss-on-media-wrapper.ss-regular-icons .ss-social-icons-container>li>.ss-pinit-button{padding:12px 18px}.ss-popup-overlay{display:none;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,Arial,"Helvetica Neue",sans-serif;-webkit-font-smoothing:initial;content:"";position:fixed;top:0;bottom:0;left:0;right:0;z-index:99999;background:rgba(202,202,202,.75);opacity:0}.ss-popup-overlay .ss-copy-action{position:relative;display:none}.ss-popup-overlay .ss-copy-action .ss-copy-action-field{border:1px solid rgba(0,0,0,.1);border-radius:2px;color:#323b43;font-family:inherit;font-size:16px;-webkit-box-sizing:border-box;box-sizing:border-box;width:100%;height:48px!important;line-height:48px!important;padding:0 120px 0 50px!important;text-shadow:none;-webkit-box-shadow:none;box-shadow:none;outline:0;background-color:#fff;margin:0}.ss-popup-overlay .ss-copy-action .ss-button{font-weight:400;font-family:inherit;position:absolute;right:6px;top:5px;background-color:#557ceb;color:#fff;padding:0;line-height:38px;height:38px;width:105px;font-size:16px;z-index:9;border-radius:2px}.ss-popup-overlay .ss-copy-action svg{position:absolute;height:24px;width:24px;top:50%;left:15px;margin-top:-12px;fill:#dadada}.ss-popup-overlay .ss-popup{opacity:0;border-radius:2px;max-width:90%;max-height:90%;width:720px;height:auto}.ss-popup-overlay .ss-popup .ss-popup-heading{display:block;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;font-size:16px;font-weight:300;color:#323b43;background-color:#fff;line-height:58px;height:58px;padding:0 0 0 24px;margin:0;border-top-left-radius:4px;border-top-right-radius:4px}.ss-popup-overlay .ss-popup .ss-close-modal{margin-left:auto;padding:0 24px;height:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#a9a9a9}.ss-popup-overlay .ss-popup .ss-close-modal svg{width:16px;height:16px}.ss-popup-overlay .ss-popup .ss-popup-content{position:relative;top:3px;left:0;right:0;bottom:0;max-height:70vh;background-color:#fff;overflow-y:scroll;padding:24px 24px 20px;border-bottom-left-radius:4px;border-bottom-right-radius:4px}.ss-popup-overlay .ss-popup .ss-popup-networks{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-ms-flex-wrap:wrap;flex-wrap:wrap;margin:0 -6px}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network{-webkit-box-sizing:border-box;box-sizing:border-box;width:33.33%;padding:0 6px 6px;-ms-flex-negative:0;flex-shrink:0;float:left;display:inline-block}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a{position:relative;-webkit-box-sizing:border-box;box-sizing:border-box;height:40px;padding:0 15px 0 0;display:-webkit-box;display:-ms-flexbox;display:flex;line-height:40px;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;color:#fff;border-radius:2px;font-weight:500;font-size:13px;vertical-align:middle;-webkit-backface-visibility:hidden;white-space:nowrap;text-overflow:ellipsis}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a span:first-child{position:relative;z-index:2;height:40px;width:40px;text-align:center;line-height:40px;font-size:16px;margin-right:10px;background-color:rgba(0,0,0,.15);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a svg{fill:#fff;height:16px;width:inherit;z-index:1}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a span:first-child:before{content:"";position:absolute;left:0;top:0;background-color:rgba(0,0,0,.1)}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a span{position:relative;z-index:3}.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network>a:before{position:absolute;content:"";background-color:rgba(255,255,255,0);top:0;left:0;bottom:0;right:0;z-index:1}.ss-share-network-tooltip{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,Arial,"Helvetica Neue",sans-serif;-webkit-font-smoothing:initial;position:absolute;line-height:1;left:100%;margin-left:12px;background-color:rgba(56,70,84,.85);top:50%;width:auto;white-space:nowrap;padding:8px 10px;border-radius:2px;font-size:12px;color:rgba(255,255,255,.9);z-index:2;opacity:0;-webkit-transform:translateX(-7px) translateY(-50%);-ms-transform:translateX(-7px) translateY(-50%);transform:translateX(-7px) translateY(-50%)}.ss-copy-action .ss-share-network-tooltip{left:auto;margin-left:0;right:100%;margin-right:12px;-webkit-transform:translateX(7px) translateY(-50%);-ms-transform:translateX(7px) translateY(-50%);transform:translateX(7px) translateY(-50%)}.ss-social-icons-container>li .ss-ss-on-media-button:after{content:"";background-color:rgba(0,0,0,0);position:absolute;top:0;left:0;right:0;bottom:0;z-index:1}.ss-on-media-wrapper.ss-circle-icons .ss-social-icons-container>li>.ss-ss-on-media-button{border-radius:52px}.ss-on-media-wrapper.ss-with-spacing .ss-social-icons-container>li{padding:0 3px!important}.ss-on-media-wrapper{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,Arial,"Helvetica Neue",sans-serif}.ss-on-media-wrapper .ss-social-icons-container{margin:0!important;padding:0;list-style:none}.ss-on-media-wrapper .ss-social-icons-container>li{position:relative;list-style:none;margin:0;padding:0}.ss-on-media-wrapper .ss-social-icons-container>li:before{display:none}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-ss-on-media-button{position:relative;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;text-align:center;width:52px;height:52px;line-height:52px;color:#fff;overflow:hidden;vertical-align:middle;font-size:16px;text-decoration:none!important}.ss-on-media-wrapper .ss-social-icons-container>li>.ss-ss-on-media-button svg{height:16px;width:inherit;z-index:1}@media screen and (max-width:782px){.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network{width:50%}}@media screen and (max-width:500px){.ss-popup-overlay .ss-popup .ss-popup-networks .ss-popup-network{width:100%}}
Thawing permafrost is affecting climate, but it’s unclear by how much - StuffsEarth
Skip to content
Posted by
Alienx
October 29, 2024
Thawing permafrost is causing erosion along Arctic coasts. Credit: Gustaf Hugelius
Boreal forests and Arctic tundra are underlain by millions of square kilometers of permafrost, and scientists are still unsure of how the thawing of this long-frozen soil will affect the climate. Soils and vegetation in the region have historically held large stocks of carbon and nitrogen, both of which are components of greenhouse gases. As the ground thaws, an as-yet-undetermined portion of these elements will return to the atmosphere as greenhouse gases.
Hugelius and team collated and compared a large collection of datasets that analyzed the region’s current emissions in two ways: based on measured fluxes of carbon and nitrogen from soil and vegetation (a “bottom-up” approach) and based on atmospheric measurements of greenhouse gases (a “top-down” approach).
Calculations using data from both methods indicate that the northern permafrost region will be a source of greenhouse gases over the next 20 years, but be approximately greenhouse gas neutral over the next 100 years. The difference between time horizons depends on the balance between carbon dioxide (CO2 ), which stays in the atmosphere over a very long time, and methane, which is a potent but short-lived greenhouse gas.
Nitrous oxide emissions were found to be relatively small. The datasets generated by both methods yielded widely ranging estimates of just how much of the different gases the region emits, highlighting the need for further study.
The study is published in the journal Global Biogeochemical Cycles .
Map of the extent of the study area, defined as the northern permafrost region (blue shades, data from Obu, 2021) overlaps with the spatial extent of the Tundra and Boreal Forest biomes (hatched areas) as represented Boreal Arctic Wetlands and Lakes Data set (BAWLD, Olefeldt et al., 2021). Credit: Global Biogeochemical Cycles (2024). DOI: 10.1029/2023GB007969 Bottom-up estimates for CO2 are particularly uncertain, but they suggest that the far north emits CO2 via sources such as wildfires and rivers at close to the same rate that it takes up the gas, mostly through boreal forests and wetlands. Methane dynamics are also uncertain, but the work suggests that each year, the region releases about 38 teragrams of carbon as methane (mainly from wetlands and inland waters).
The top-down approach was more optimistic, suggesting that each year the northern permafrost region takes up 312–862 more teragrams of carbon per year as CO2 than it releases. However, this analysis also showed that the region is a net source of methane, annually releasing around 15 more teragrams of carbon as methane per year than it takes up.
The far north holds more than twice as much carbon as is found in the atmosphere today, so thawing permafrost could drastically affect climate. But the region’s remoteness and complex terrain make it difficult to work in, leading to uncertainty like that described by the researchers.
More information:
G. Hugelius et al, Permafrost Region Greenhouse Gas Budgets Suggest a Weak CO2 Sink and CH4 and N2O Sources, But Magnitudes Differ Between Top‐Down and Bottom‐Up Methods, Global Biogeochemical Cycles (2024). DOI: 10.1029/2023GB007969
This story is republished courtesy of Eos, hosted by the American Geophysical Union. Read the original story here.
Citation :
Thawing permafrost is affecting climate, but it’s unclear by how much (2024, October 29)
retrieved 29 October 2024
from
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no
part may be reproduced without the written permission. The content is provided for information purposes only.
Reference :
Reference link
Scroll to Top